text: //! moment.js
  //! version : 2.12.0
  //! authors : Tim Wood, Iskren Chernev, Moment.js contributors
  //! license : MIT
  //! momentjs.com
  
  ;(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
      typeof define === 'function' && define.amd ? define(factory) :
        global.moment = factory()
  }(this, function () { 'use strict';
  
    var hookCallback;
  
    function utils_hooks__hooks () {
      return hookCallback.apply(null, arguments);
    }
  
    // This is done to register the method called with moment()
    // without creating circular dependencies.
    function setHookCallback (callback) {
      hookCallback = callback;
    }
  
    function isArray(input) {
      return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';
    }
  
    function isDate(input) {
      return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';
    }
  
    function map(arr, fn) {
      var res = [], i;
      for (i = 0; i < arr.length; ++i) {
        res.push(fn(arr[i], i));
      }
      return res;
    }
  
    function hasOwnProp(a, b) {
      return Object.prototype.hasOwnProperty.call(a, b);
    }
  
    function extend(a, b) {
      for (var i in b) {
        if (hasOwnProp(b, i)) {
          a[i] = b[i];
        }
      }
  
      if (hasOwnProp(b, 'toString')) {
        a.toString = b.toString;
      }
  
      if (hasOwnProp(b, 'valueOf')) {
        a.valueOf = b.valueOf;
      }
  
      return a;
    }
  
    function create_utc__createUTC (input, format, locale, strict) {
      return createLocalOrUTC(input, format, locale, strict, true).utc();
    }
  
    function defaultParsingFlags() {
      // We need to deep clone this object.
      return {
        empty           : false,
        unusedTokens    : [],
        unusedInput     : [],
        overflow        : -2,
        charsLeftOver   : 0,
        nullInput       : false,
        invalidMonth    : null,
        invalidFormat   : false,
        userInvalidated : false,
        iso             : false
      };
    }
  
    function getParsingFlags(m) {
      if (m._pf == null) {
        m._pf = defaultParsingFlags();
      }
      return m._pf;
    }
  
    function valid__isValid(m) {
      if (m._isValid == null) {
        var flags = getParsingFlags(m);
        m._isValid = !isNaN(m._d.getTime()) &&
          flags.overflow < 0 &&
          !flags.empty &&
          !flags.invalidMonth &&
          !flags.invalidWeekday &&
          !flags.nullInput &&
          !flags.invalidFormat &&
          !flags.userInvalidated;
  
        if (m._strict) {
          m._isValid = m._isValid &&
            flags.charsLeftOver === 0 &&
            flags.unusedTokens.length === 0 &&
            flags.bigHour === undefined;
        }
      }
      return m._isValid;
    }
  
    function valid__createInvalid (flags) {
      var m = create_utc__createUTC(NaN);
      if (flags != null) {
        extend(getParsingFlags(m), flags);
      }
      else {
        getParsingFlags(m).userInvalidated = true;
      }
  
      return m;
    }
  
    function isUndefined(input) {
      return input === void 0;
    }
  
    // Plugins that add properties should also add the key here (null value),
    // so we can properly clone ourselves.
    var momentProperties = utils_hooks__hooks.momentProperties = [];
  
    function copyConfig(to, from) {
      var i, prop, val;
  
      if (!isUndefined(from._isAMomentObject)) {
        to._isAMomentObject = from._isAMomentObject;
      }
      if (!isUndefined(from._i)) {
        to._i = from._i;
      }
      if (!isUndefined(from._f)) {
        to._f = from._f;
      }
      if (!isUndefined(from._l)) {
        to._l = from._l;
      }
      if (!isUndefined(from._strict)) {
        to._strict = from._strict;
      }
      if (!isUndefined(from._tzm)) {
        to._tzm = from._tzm;
      }
      if (!isUndefined(from._isUTC)) {
        to._isUTC = from._isUTC;
      }
      if (!isUndefined(from._offset)) {
        to._offset = from._offset;
      }
      if (!isUndefined(from._pf)) {
        to._pf = getParsingFlags(from);
      }
      if (!isUndefined(from._locale)) {
        to._locale = from._locale;
      }
  
      if (momentProperties.length > 0) {
        for (i in momentProperties) {
          prop = momentProperties[i];
          val = from[prop];
          if (!isUndefined(val)) {
            to[prop] = val;
          }
        }
      }
  
      return to;
    }
  
    var updateInProgress = false;
  
    // Moment prototype object
    function Moment(config) {
      copyConfig(this, config);
      this._d = new Date(config._d != null ? config._d.getTime() : NaN);
      // Prevent infinite loop in case updateOffset creates new moment
      // objects.
      if (updateInProgress === false) {
        updateInProgress = true;
        utils_hooks__hooks.updateOffset(this);
        updateInProgress = false;
      }
    }
  
    function isMoment (obj) {
      return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);
    }
  
    function absFloor (number) {
      if (number < 0) {
        return Math.ceil(number);
      } else {
        return Math.floor(number);
      }
    }
  
    function toInt(argumentForCoercion) {
      var coercedNumber = +argumentForCoercion,
        value = 0;
  
      if (coercedNumber !== 0 && isFinite(coercedNumber)) {
        value = absFloor(coercedNumber);
      }
  
      return value;
    }
  
    // compare two arrays, return the number of differences
    function compareArrays(array1, array2, dontConvert) {
      var len = Math.min(array1.length, array2.length),
        lengthDiff = Math.abs(array1.length - array2.length),
        diffs = 0,
        i;
      for (i = 0; i < len; i++) {
        if ((dontConvert && array1[i] !== array2[i]) ||
          (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
          diffs++;
        }
      }
      return diffs + lengthDiff;
    }
  
    function warn(msg) {
      if (utils_hooks__hooks.suppressDeprecationWarnings === false &&
        (typeof console !==  'undefined') && console.warn) {
        console.warn('Deprecation warning: ' + msg);
      }
    }
  
    function deprecate(msg, fn) {
      var firstTime = true;
  
      return extend(function () {
        if (firstTime) {
          warn(msg + '\nArguments: ' + Array.prototype.slice.call(arguments).join(', ') + '\n' + (new Error()).stack);
          firstTime = false;
        }
        return fn.apply(this, arguments);
      }, fn);
    }
  
    var deprecations = {};
  
    function deprecateSimple(name, msg) {
      if (!deprecations[name]) {
        warn(msg);
        deprecations[name] = true;
      }
    }
  
    utils_hooks__hooks.suppressDeprecationWarnings = false;
  
    function isFunction(input) {
      return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';
    }
  
    function isObject(input) {
      return Object.prototype.toString.call(input) === '[object Object]';
    }
  
    function locale_set__set (config) {
      var prop, i;
      for (i in config) {
        prop = config[i];
        if (isFunction(prop)) {
          this[i] = prop;
        } else {
          this['_' + i] = prop;
        }
      }
      this._config = config;
      // Lenient ordinal parsing accepts just a number in addition to
      // number + (possibly) stuff coming from _ordinalParseLenient.
      this._ordinalParseLenient = new RegExp(this._ordinalParse.source + '|' + (/\d{1,2}/).source);
    }
  
    function mergeConfigs(parentConfig, childConfig) {
      var res = extend({}, parentConfig), prop;
      for (prop in childConfig) {
        if (hasOwnProp(childConfig, prop)) {
          if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
            res[prop] = {};
            extend(res[prop], parentConfig[prop]);
            extend(res[prop], childConfig[prop]);
          } else if (childConfig[prop] != null) {
            res[prop] = childConfig[prop];
          } else {
            delete res[prop];
          }
        }
      }
      return res;
    }
  
    function Locale(config) {
      if (config != null) {
        this.set(config);
      }
    }
  
    // internal storage for locale config files
    var locales = {};
    var globalLocale;
  
    function normalizeLocale(key) {
      return key ? key.toLowerCase().replace('_', '-') : key;
    }
  
    // pick the locale from the array
    // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
    // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
    function chooseLocale(names) {
      var i = 0, j, next, locale, split;
  
      while (i < names.length) {
        split = normalizeLocale(names[i]).split('-');
        j = split.length;
        next = normalizeLocale(names[i + 1]);
        next = next ? next.split('-') : null;
        while (j > 0) {
          locale = loadLocale(split.slice(0, j).join('-'));
          if (locale) {
            return locale;
          }
          if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
            //the next array item is better than a shallower substring of this one
            break;
          }
          j--;
        }
        i++;
      }
      return null;
    }
  
    function loadLocale(name) {
      var oldLocale = null;
      // TODO: Find a better way to register and load all the locales in Node
      if (!locales[name] && (typeof module !== 'undefined') &&
        module && module.exports) {
        try {
          oldLocale = globalLocale._abbr;
          require('./locale/' + name);
          // because defineLocale currently also sets the global locale, we
          // want to undo that for lazy loaded locales
          locale_locales__getSetGlobalLocale(oldLocale);
        } catch (e) { }
      }
      return locales[name];
    }
  
    // This function will load locale and then set the global locale.  If
    // no arguments are passed in, it will simply return the current global
    // locale key.
    function locale_locales__getSetGlobalLocale (key, values) {
      var data;
      if (key) {
        if (isUndefined(values)) {
          data = locale_locales__getLocale(key);
        }
        else {
          data = defineLocale(key, values);
        }
  
        if (data) {
          // moment.duration._locale = moment._locale = data;
          globalLocale = data;
        }
      }
  
      return globalLocale._abbr;
    }
  
    function defineLocale (name, config) {
      if (config !== null) {
        config.abbr = name;
        if (locales[name] != null) {
          deprecateSimple('defineLocaleOverride',
            'use moment.updateLocale(localeName, config) to change ' +
            'an existing locale. moment.defineLocale(localeName, ' +
            'config) should only be used for creating a new locale');
          config = mergeConfigs(locales[name]._config, config);
        } else if (config.parentLocale != null) {
          if (locales[config.parentLocale] != null) {
            config = mergeConfigs(locales[config.parentLocale]._config, config);
          } else {
            // treat as if there is no base config
            deprecateSimple('parentLocaleUndefined',
              'specified parentLocale is not defined yet');
          }
        }
        locales[name] = new Locale(config);
  
        // backwards compat for now: also set the locale
        locale_locales__getSetGlobalLocale(name);
  
        return locales[name];
      } else {
        // useful for testing
        delete locales[name];
        return null;
      }
    }
  
    function updateLocale(name, config) {
      if (config != null) {
        var locale;
        if (locales[name] != null) {
          config = mergeConfigs(locales[name]._config, config);
        }
        locale = new Locale(config);
        locale.parentLocale = locales[name];
        locales[name] = locale;
  
        // backwards compat for now: also set the locale
        locale_locales__getSetGlobalLocale(name);
      } else {
        // pass null for config to unupdate, useful for tests
        if (locales[name] != null) {
          if (locales[name].parentLocale != null) {
            locales[name] = locales[name].parentLocale;
          } else if (locales[name] != null) {
            delete locales[name];
          }
        }
      }
      return locales[name];
    }
  
    // returns locale data
    function locale_locales__getLocale (key) {
      var locale;
  
      if (key && key._locale && key._locale._abbr) {
        key = key._locale._abbr;
      }
  
      if (!key) {
        return globalLocale;
      }
  
      if (!isArray(key)) {
        //short-circuit everything else
        locale = loadLocale(key);
        if (locale) {
          return locale;
        }
        key = [key];
      }
  
      return chooseLocale(key);
    }
  
    function locale_locales__listLocales() {
      return Object.keys(locales);
    }
  
    var aliases = {};
  
    function addUnitAlias (unit, shorthand) {
      var lowerCase = unit.toLowerCase();
      aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;
    }
  
    function normalizeUnits(units) {
      return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;
    }
  
    function normalizeObjectUnits(inputObject) {
      var normalizedInput = {},
        normalizedProp,
        prop;
  
      for (prop in inputObject) {
        if (hasOwnProp(inputObject, prop)) {
          normalizedProp = normalizeUnits(prop);
          if (normalizedProp) {
            normalizedInput[normalizedProp] = inputObject[prop];
          }
        }
      }
  
      return normalizedInput;
    }
  
    function makeGetSet (unit, keepTime) {
      return function (value) {
        if (value != null) {
          get_set__set(this, unit, value);
          utils_hooks__hooks.updateOffset(this, keepTime);
          return this;
        } else {
          return get_set__get(this, unit);
        }
      };
    }
  
    function get_set__get (mom, unit) {
      return mom.isValid() ?
        mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;
    }
  
    function get_set__set (mom, unit, value) {
      if (mom.isValid()) {
        mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
      }
    }
  
    // MOMENTS
  
    function getSet (units, value) {
      var unit;
      if (typeof units === 'object') {
        for (unit in units) {
          this.set(unit, units[unit]);
        }
      } else {
        units = normalizeUnits(units);
        if (isFunction(this[units])) {
          return this[units](value);
        }
      }
      return this;
    }
  
    function zeroFill(number, targetLength, forceSign) {
      var absNumber = '' + Math.abs(number),
        zerosToFill = targetLength - absNumber.length,
        sign = number >= 0;
      return (sign ? (forceSign ? '+' : '') : '-') +
        Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;
    }
  
    var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;
  
    var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;
  
    var formatFunctions = {};
  
    var formatTokenFunctions = {};
  
    // token:    'M'
    // padded:   ['MM', 2]
    // ordinal:  'Mo'
    // callback: function () { this.month() + 1 }
    function addFormatToken (token, padded, ordinal, callback) {
      var func = callback;
      if (typeof callback === 'string') {
        func = function () {
          return this[callback]();
        };
      }
      if (token) {
        formatTokenFunctions[token] = func;
      }
      if (padded) {
        formatTokenFunctions[padded[0]] = function () {
          return zeroFill(func.apply(this, arguments), padded[1], padded[2]);
        };
      }
      if (ordinal) {
        formatTokenFunctions[ordinal] = function () {
          return this.localeData().ordinal(func.apply(this, arguments), token);
        };
      }
    }
  
    function removeFormattingTokens(input) {
      if (input.match(/\[[\s\S]/)) {
        return input.replace(/^\[|\]$/g, '');
      }
      return input.replace(/\\/g, '');
    }
  
    function makeFormatFunction(format) {
      var array = format.match(formattingTokens), i, length;
  
      for (i = 0, length = array.length; i < length; i++) {
        if (formatTokenFunctions[array[i]]) {
          array[i] = formatTokenFunctions[array[i]];
        } else {
          array[i] = removeFormattingTokens(array[i]);
        }
      }
  
      return function (mom) {
        var output = '';
        for (i = 0; i < length; i++) {
          output += array[i] instanceof Function ? array[i].call(mom, format) : array[i];
        }
        return output;
      };
    }
  
    // format date using native date object
    function formatMoment(m, format) {
      if (!m.isValid()) {
        return m.localeData().invalidDate();
      }
  
      format = expandFormat(format, m.localeData());
      formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);
  
      return formatFunctions[format](m);
    }
  
    function expandFormat(format, locale) {
      var i = 5;
  
      function replaceLongDateFormatTokens(input) {
        return locale.longDateFormat(input) || input;
      }
  
      localFormattingTokens.lastIndex = 0;
      while (i >= 0 && localFormattingTokens.test(format)) {
        format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
        localFormattingTokens.lastIndex = 0;
        i -= 1;
      }
  
      return format;
    }
  
    var match1         = /\d/;            //       0 - 9
    var match2         = /\d\d/;          //      00 - 99
    var match3         = /\d{3}/;         //     000 - 999
    var match4         = /\d{4}/;         //    0000 - 9999
    var match6         = /[+-]?\d{6}/;    // -999999 - 999999
    var match1to2      = /\d\d?/;         //       0 - 99
    var match3to4      = /\d\d\d\d?/;     //     999 - 9999
    var match5to6      = /\d\d\d\d\d\d?/; //   99999 - 999999
    var match1to3      = /\d{1,3}/;       //       0 - 999
    var match1to4      = /\d{1,4}/;       //       0 - 9999
    var match1to6      = /[+-]?\d{1,6}/;  // -999999 - 999999
  
    var matchUnsigned  = /\d+/;           //       0 - inf
    var matchSigned    = /[+-]?\d+/;      //    -inf - inf
  
    var matchOffset    = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z
    var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z
  
    var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123
  
    // any word (or two) characters or numbers including two/three word month in arabic.
    // includes scottish gaelic two word and hyphenated months
    var matchWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i;
  
  
    var regexes = {};
  
    function addRegexToken (token, regex, strictRegex) {
      regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {
        return (isStrict && strictRegex) ? strictRegex : regex;
      };
    }
  
    function getParseRegexForToken (token, config) {
      if (!hasOwnProp(regexes, token)) {
        return new RegExp(unescapeFormat(token));
      }
  
      return regexes[token](config._strict, config._locale);
    }
  
    // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
    function unescapeFormat(s) {
      return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {
        return p1 || p2 || p3 || p4;
      }));
    }
  
    function regexEscape(s) {
      return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
    }
  
    var tokens = {};
  
    function addParseToken (token, callback) {
      var i, func = callback;
      if (typeof token === 'string') {
        token = [token];
      }
      if (typeof callback === 'number') {
        func = function (input, array) {
          array[callback] = toInt(input);
        };
      }
      for (i = 0; i < token.length; i++) {
        tokens[token[i]] = func;
      }
    }
  
    function addWeekParseToken (token, callback) {
      addParseToken(token, function (input, array, config, token) {
        config._w = config._w || {};
        callback(input, config._w, config, token);
      });
    }
  
    function addTimeToArrayFromToken(token, input, config) {
      if (input != null && hasOwnProp(tokens, token)) {
        tokens[token](input, config._a, config, token);
      }
    }
  
    var YEAR = 0;
    var MONTH = 1;
    var DATE = 2;
    var HOUR = 3;
    var MINUTE = 4;
    var SECOND = 5;
    var MILLISECOND = 6;
    var WEEK = 7;
    var WEEKDAY = 8;
  
    function daysInMonth(year, month) {
      return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
    }
  
    // FORMATTING
  
    addFormatToken('M', ['MM', 2], 'Mo', function () {
      return this.month() + 1;
    });
  
    addFormatToken('MMM', 0, 0, function (format) {
      return this.localeData().monthsShort(this, format);
    });
  
    addFormatToken('MMMM', 0, 0, function (format) {
      return this.localeData().months(this, format);
    });
  
    // ALIASES
  
    addUnitAlias('month', 'M');
  
    // PARSING
  
    addRegexToken('M',    match1to2);
    addRegexToken('MM',   match1to2, match2);
    addRegexToken('MMM',  function (isStrict, locale) {
      return locale.monthsShortRegex(isStrict);
    });
    addRegexToken('MMMM', function (isStrict, locale) {
      return locale.monthsRegex(isStrict);
    });
  
    addParseToken(['M', 'MM'], function (input, array) {
      array[MONTH] = toInt(input) - 1;
    });
  
    addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {
      var month = config._locale.monthsParse(input, token, config._strict);
      // if we didn't find a month name, mark the date as invalid.
      if (month != null) {
        array[MONTH] = month;
      } else {
        getParsingFlags(config).invalidMonth = input;
      }
    });
  
    // LOCALES
  
    var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s+)+MMMM?/;
    var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');
    function localeMonths (m, format) {
      return isArray(this._months) ? this._months[m.month()] :
        this._months[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];
    }
  
    var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');
    function localeMonthsShort (m, format) {
      return isArray(this._monthsShort) ? this._monthsShort[m.month()] :
        this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];
    }
  
    function localeMonthsParse (monthName, format, strict) {
      var i, mom, regex;
  
      if (!this._monthsParse) {
        this._monthsParse = [];
        this._longMonthsParse = [];
        this._shortMonthsParse = [];
      }
  
      for (i = 0; i < 12; i++) {
        // make the regex if we don't have it already
        mom = create_utc__createUTC([2000, i]);
        if (strict && !this._longMonthsParse[i]) {
          this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');
          this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');
        }
        if (!strict && !this._monthsParse[i]) {
          regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
          this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
        }
        // test the regex
        if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {
          return i;
        } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {
          return i;
        } else if (!strict && this._monthsParse[i].test(monthName)) {
          return i;
        }
      }
    }
  
    // MOMENTS
  
    function setMonth (mom, value) {
      var dayOfMonth;
  
      if (!mom.isValid()) {
        // No op
        return mom;
      }
  
      if (typeof value === 'string') {
        if (/^\d+$/.test(value)) {
          value = toInt(value);
        } else {
          value = mom.localeData().monthsParse(value);
          // TODO: Another silent failure?
          if (typeof value !== 'number') {
            return mom;
          }
        }
      }
  
      dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));
      mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
      return mom;
    }
  
    function getSetMonth (value) {
      if (value != null) {
        setMonth(this, value);
        utils_hooks__hooks.updateOffset(this, true);
        return this;
      } else {
        return get_set__get(this, 'Month');
      }
    }
  
    function getDaysInMonth () {
      return daysInMonth(this.year(), this.month());
    }
  
    var defaultMonthsShortRegex = matchWord;
    function monthsShortRegex (isStrict) {
      if (this._monthsParseExact) {
        if (!hasOwnProp(this, '_monthsRegex')) {
          computeMonthsParse.call(this);
        }
        if (isStrict) {
          return this._monthsShortStrictRegex;
        } else {
          return this._monthsShortRegex;
        }
      } else {
        return this._monthsShortStrictRegex && isStrict ?
          this._monthsShortStrictRegex : this._monthsShortRegex;
      }
    }
  
    var defaultMonthsRegex = matchWord;
    function monthsRegex (isStrict) {
      if (this._monthsParseExact) {
        if (!hasOwnProp(this, '_monthsRegex')) {
          computeMonthsParse.call(this);
        }
        if (isStrict) {
          return this._monthsStrictRegex;
        } else {
          return this._monthsRegex;
        }
      } else {
        return this._monthsStrictRegex && isStrict ?
          this._monthsStrictRegex : this._monthsRegex;
      }
    }
  
    function computeMonthsParse () {
      function cmpLenRev(a, b) {
        return b.length - a.length;
      }
  
      var shortPieces = [], longPieces = [], mixedPieces = [],
        i, mom;
      for (i = 0; i < 12; i++) {
        // make the regex if we don't have it already
        mom = create_utc__createUTC([2000, i]);
        shortPieces.push(this.monthsShort(mom, ''));
        longPieces.push(this.months(mom, ''));
        mixedPieces.push(this.months(mom, ''));
        mixedPieces.push(this.monthsShort(mom, ''));
      }
      // Sorting makes sure if one month (or abbr) is a prefix of another it
      // will match the longer piece.
      shortPieces.sort(cmpLenRev);
      longPieces.sort(cmpLenRev);
      mixedPieces.sort(cmpLenRev);
      for (i = 0; i < 12; i++) {
        shortPieces[i] = regexEscape(shortPieces[i]);
        longPieces[i] = regexEscape(longPieces[i]);
        mixedPieces[i] = regexEscape(mixedPieces[i]);
      }
  
      this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
      this._monthsShortRegex = this._monthsRegex;
      this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')$', 'i');
      this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')$', 'i');
    }
  
    function checkOverflow (m) {
      var overflow;
      var a = m._a;
  
      if (a && getParsingFlags(m).overflow === -2) {
        overflow =
          a[MONTH]       < 0 || a[MONTH]       > 11  ? MONTH :
            a[DATE]        < 1 || a[DATE]        > daysInMonth(a[YEAR], a[MONTH]) ? DATE :
              a[HOUR]        < 0 || a[HOUR]        > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :
                a[MINUTE]      < 0 || a[MINUTE]      > 59  ? MINUTE :
                  a[SECOND]      < 0 || a[SECOND]      > 59  ? SECOND :
                    a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :
                      -1;
  
        if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
          overflow = DATE;
        }
        if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
          overflow = WEEK;
        }
        if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
          overflow = WEEKDAY;
        }
  
        getParsingFlags(m).overflow = overflow;
      }
  
      return m;
    }
  
    // iso 8601 regex
    // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
    var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?/;
    var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?/;
  
    var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/;
  
    var isoDates = [
      ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/],
      ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/],
      ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/],
      ['GGGG-[W]WW', /\d{4}-W\d\d/, false],
      ['YYYY-DDD', /\d{4}-\d{3}/],
      ['YYYY-MM', /\d{4}-\d\d/, false],
      ['YYYYYYMMDD', /[+-]\d{10}/],
      ['YYYYMMDD', /\d{8}/],
      // YYYYMM is NOT allowed by the standard
      ['GGGG[W]WWE', /\d{4}W\d{3}/],
      ['GGGG[W]WW', /\d{4}W\d{2}/, false],
      ['YYYYDDD', /\d{7}/]
    ];
  
    // iso time formats and regexes
    var isoTimes = [
      ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/],
      ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/],
      ['HH:mm:ss', /\d\d:\d\d:\d\d/],
      ['HH:mm', /\d\d:\d\d/],
      ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/],
      ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/],
      ['HHmmss', /\d\d\d\d\d\d/],
      ['HHmm', /\d\d\d\d/],
      ['HH', /\d\d/]
    ];
  
    var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;
  
    // date from iso format
    function configFromISO(config) {
      var i, l,
        string = config._i,
        match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
        allowTime, dateFormat, timeFormat, tzFormat;
  
      if (match) {
        getParsingFlags(config).iso = true;
  
        for (i = 0, l = isoDates.length; i < l; i++) {
          if (isoDates[i][1].exec(match[1])) {
            dateFormat = isoDates[i][0];
            allowTime = isoDates[i][2] !== false;
            break;
          }
        }
        if (dateFormat == null) {
          config._isValid = false;
          return;
        }
        if (match[3]) {
          for (i = 0, l = isoTimes.length; i < l; i++) {
            if (isoTimes[i][1].exec(match[3])) {
              // match[2] should be 'T' or space
              timeFormat = (match[2] || ' ') + isoTimes[i][0];
              break;
            }
          }
          if (timeFormat == null) {
            config._isValid = false;
            return;
          }
        }
        if (!allowTime && timeFormat != null) {
          config._isValid = false;
          return;
        }
        if (match[4]) {
          if (tzRegex.exec(match[4])) {
            tzFormat = 'Z';
          } else {
            config._isValid = false;
            return;
          }
        }
        config._f = dateFormat + (timeFormat || '') + (tzFormat || '');
        configFromStringAndFormat(config);
      } else {
        config._isValid = false;
      }
    }
  
    // date from iso format or fallback
    function configFromString(config) {
      var matched = aspNetJsonRegex.exec(config._i);
  
      if (matched !== null) {
        config._d = new Date(+matched[1]);
        return;
      }
  
      configFromISO(config);
      if (config._isValid === false) {
        delete config._isValid;
        utils_hooks__hooks.createFromInputFallback(config);
      }
    }
  
    utils_hooks__hooks.createFromInputFallback = deprecate(
      'moment construction falls back to js Date. This is ' +
      'discouraged and will be removed in upcoming major ' +
      'release. Please refer to ' +
      'https://github.com/moment/moment/issues/1407 for more info.',
      function (config) {
        config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
      }
    );
  
    function createDate (y, m, d, h, M, s, ms) {
      //can't just apply() to create a date:
      //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply
      var date = new Date(y, m, d, h, M, s, ms);
  
      //the date constructor remaps years 0-99 to 1900-1999
      if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {
        date.setFullYear(y);
      }
      return date;
    }
  
    function createUTCDate (y) {
      var date = new Date(Date.UTC.apply(null, arguments));
  
      //the Date.UTC function remaps years 0-99 to 1900-1999
      if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {
        date.setUTCFullYear(y);
      }
      return date;
    }
  
    // FORMATTING
  
    addFormatToken('Y', 0, 0, function () {
      var y = this.year();
      return y <= 9999 ? '' + y : '+' + y;
    });
  
    addFormatToken(0, ['YY', 2], 0, function () {
      return this.year() % 100;
    });
  
    addFormatToken(0, ['YYYY',   4],       0, 'year');
    addFormatToken(0, ['YYYYY',  5],       0, 'year');
    addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');
  
    // ALIASES
  
    addUnitAlias('year', 'y');
  
    // PARSING
  
    addRegexToken('Y',      matchSigned);
    addRegexToken('YY',     match1to2, match2);
    addRegexToken('YYYY',   match1to4, match4);
    addRegexToken('YYYYY',  match1to6, match6);
    addRegexToken('YYYYYY', match1to6, match6);
  
    addParseToken(['YYYYY', 'YYYYYY'], YEAR);
    addParseToken('YYYY', function (input, array) {
      array[YEAR] = input.length === 2 ? utils_hooks__hooks.parseTwoDigitYear(input) : toInt(input);
    });
    addParseToken('YY', function (input, array) {
      array[YEAR] = utils_hooks__hooks.parseTwoDigitYear(input);
    });
    addParseToken('Y', function (input, array) {
      array[YEAR] = parseInt(input, 10);
    });
  
    // HELPERS
  
    function daysInYear(year) {
      return isLeapYear(year) ? 366 : 365;
    }
  
    function isLeapYear(year) {
      return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
    }
  
    // HOOKS
  
    utils_hooks__hooks.parseTwoDigitYear = function (input) {
      return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
    };
  
    // MOMENTS
  
    var getSetYear = makeGetSet('FullYear', false);
  
    function getIsLeapYear () {
      return isLeapYear(this.year());
    }
  
    // start-of-first-week - start-of-year
    function firstWeekOffset(year, dow, doy) {
      var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
        fwd = 7 + dow - doy,
      // first-week day local weekday -- which local weekday is fwd
        fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;
  
      return -fwdlw + fwd - 1;
    }
  
    //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
    function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
      var localWeekday = (7 + weekday - dow) % 7,
        weekOffset = firstWeekOffset(year, dow, doy),
        dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
        resYear, resDayOfYear;
  
      if (dayOfYear <= 0) {
        resYear = year - 1;
        resDayOfYear = daysInYear(resYear) + dayOfYear;
      } else if (dayOfYear > daysInYear(year)) {
        resYear = year + 1;
        resDayOfYear = dayOfYear - daysInYear(year);
      } else {
        resYear = year;
        resDayOfYear = dayOfYear;
      }
  
      return {
        year: resYear,
        dayOfYear: resDayOfYear
      };
    }
  
    function weekOfYear(mom, dow, doy) {
      var weekOffset = firstWeekOffset(mom.year(), dow, doy),
        week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
        resWeek, resYear;
  
      if (week < 1) {
        resYear = mom.year() - 1;
        resWeek = week + weeksInYear(resYear, dow, doy);
      } else if (week > weeksInYear(mom.year(), dow, doy)) {
        resWeek = week - weeksInYear(mom.year(), dow, doy);
        resYear = mom.year() + 1;
      } else {
        resYear = mom.year();
        resWeek = week;
      }
  
      return {
        week: resWeek,
        year: resYear
      };
    }
  
    function weeksInYear(year, dow, doy) {
      var weekOffset = firstWeekOffset(year, dow, doy),
        weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
      return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
    }
  
    // Pick the first defined of two or three arguments.
    function defaults(a, b, c) {
      if (a != null) {
        return a;
      }
      if (b != null) {
        return b;
      }
      return c;
    }
  
    function currentDateArray(config) {
      // hooks is actually the exported moment object
      var nowValue = new Date(utils_hooks__hooks.now());
      if (config._useUTC) {
        return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];
      }
      return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];
    }
  
    // convert an array to a date.
    // the array should mirror the parameters below
    // note: all values past the year are optional and will default to the lowest possible value.
    // [year, month, day , hour, minute, second, millisecond]
    function configFromArray (config) {
      var i, date, input = [], currentDate, yearToUse;
  
      if (config._d) {
        return;
      }
  
      currentDate = currentDateArray(config);
  
      //compute day of the year from weeks and weekdays
      if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
        dayOfYearFromWeekInfo(config);
      }
  
      //if the day of the year is set, figure out what it is
      if (config._dayOfYear) {
        yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);
  
        if (config._dayOfYear > daysInYear(yearToUse)) {
          getParsingFlags(config)._overflowDayOfYear = true;
        }
  
        date = createUTCDate(yearToUse, 0, config._dayOfYear);
        config._a[MONTH] = date.getUTCMonth();
        config._a[DATE] = date.getUTCDate();
      }
  
      // Default to current date.
      // * if no year, month, day of month are given, default to today
      // * if day of month is given, default month and year
      // * if month is given, default only year
      // * if year is given, don't default anything
      for (i = 0; i < 3 && config._a[i] == null; ++i) {
        config._a[i] = input[i] = currentDate[i];
      }
  
      // Zero out whatever was not defaulted, including time
      for (; i < 7; i++) {
        config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
      }
  
      // Check for 24:00:00.000
      if (config._a[HOUR] === 24 &&
        config._a[MINUTE] === 0 &&
        config._a[SECOND] === 0 &&
        config._a[MILLISECOND] === 0) {
        config._nextDay = true;
        config._a[HOUR] = 0;
      }
  
      config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);
      // Apply timezone offset from input. The actual utcOffset can be changed
      // with parseZone.
      if (config._tzm != null) {
        config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
      }
  
      if (config._nextDay) {
        config._a[HOUR] = 24;
      }
    }
  
    function dayOfYearFromWeekInfo(config) {
      var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;
  
      w = config._w;
      if (w.GG != null || w.W != null || w.E != null) {
        dow = 1;
        doy = 4;
  
        // TODO: We need to take the current isoWeekYear, but that depends on
        // how we interpret now (local, utc, fixed offset). So create
        // a now version of current config (take local/utc/offset flags, and
        // create now).
        weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(local__createLocal(), 1, 4).year);
        week = defaults(w.W, 1);
        weekday = defaults(w.E, 1);
        if (weekday < 1 || weekday > 7) {
          weekdayOverflow = true;
        }
      } else {
        dow = config._locale._week.dow;
        doy = config._locale._week.doy;
  
        weekYear = defaults(w.gg, config._a[YEAR], weekOfYear(local__createLocal(), dow, doy).year);
        week = defaults(w.w, 1);
  
        if (w.d != null) {
          // weekday -- low day numbers are considered next week
          weekday = w.d;
          if (weekday < 0 || weekday > 6) {
            weekdayOverflow = true;
          }
        } else if (w.e != null) {
          // local weekday -- counting starts from begining of week
          weekday = w.e + dow;
          if (w.e < 0 || w.e > 6) {
            weekdayOverflow = true;
          }
        } else {
          // default to begining of week
          weekday = dow;
        }
      }
      if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
        getParsingFlags(config)._overflowWeeks = true;
      } else if (weekdayOverflow != null) {
        getParsingFlags(config)._overflowWeekday = true;
      } else {
        temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
        config._a[YEAR] = temp.year;
        config._dayOfYear = temp.dayOfYear;
      }
    }
  
    // constant that refers to the ISO standard
    utils_hooks__hooks.ISO_8601 = function () {};
  
    // date from string and format string
    function configFromStringAndFormat(config) {
      // TODO: Move this to another part of the creation flow to prevent circular deps
      if (config._f === utils_hooks__hooks.ISO_8601) {
        configFromISO(config);
        return;
      }
  
      config._a = [];
      getParsingFlags(config).empty = true;
  
      // This array is used to make a Date, either with `new Date` or `Date.UTC`
      var string = '' + config._i,
        i, parsedInput, tokens, token, skipped,
        stringLength = string.length,
        totalParsedInputLength = 0;
  
      tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];
  
      for (i = 0; i < tokens.length; i++) {
        token = tokens[i];
        parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
        // console.log('token', token, 'parsedInput', parsedInput,
        //         'regex', getParseRegexForToken(token, config));
        if (parsedInput) {
          skipped = string.substr(0, string.indexOf(parsedInput));
          if (skipped.length > 0) {
            getParsingFlags(config).unusedInput.push(skipped);
          }
          string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
          totalParsedInputLength += parsedInput.length;
        }
        // don't parse if it's not a known token
        if (formatTokenFunctions[token]) {
          if (parsedInput) {
            getParsingFlags(config).empty = false;
          }
          else {
            getParsingFlags(config).unusedTokens.push(token);
          }
          addTimeToArrayFromToken(token, parsedInput, config);
        }
        else if (config._strict && !parsedInput) {
          getParsingFlags(config).unusedTokens.push(token);
        }
      }
  
      // add remaining unparsed input length to the string
      getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;
      if (string.length > 0) {
        getParsingFlags(config).unusedInput.push(string);
      }
  
      // clear _12h flag if hour is <= 12
      if (getParsingFlags(config).bigHour === true &&
        config._a[HOUR] <= 12 &&
        config._a[HOUR] > 0) {
        getParsingFlags(config).bigHour = undefined;
      }
      // handle meridiem
      config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);
  
      configFromArray(config);
      checkOverflow(config);
    }
  
  
    function meridiemFixWrap (locale, hour, meridiem) {
      var isPm;
  
      if (meridiem == null) {
        // nothing to do
        return hour;
      }
      if (locale.meridiemHour != null) {
        return locale.meridiemHour(hour, meridiem);
      } else if (locale.isPM != null) {
        // Fallback
        isPm = locale.isPM(meridiem);
        if (isPm && hour < 12) {
          hour += 12;
        }
        if (!isPm && hour === 12) {
          hour = 0;
        }
        return hour;
      } else {
        // this is not supposed to happen
        return hour;
      }
    }
  
    // date from string and array of format strings
    function configFromStringAndArray(config) {
      var tempConfig,
        bestMoment,
  
        scoreToBeat,
        i,
        currentScore;
  
      if (config._f.length === 0) {
        getParsingFlags(config).invalidFormat = true;
        config._d = new Date(NaN);
        return;
      }
  
      for (i = 0; i < config._f.length; i++) {
        currentScore = 0;
        tempConfig = copyConfig({}, config);
        if (config._useUTC != null) {
          tempConfig._useUTC = config._useUTC;
        }
        tempConfig._f = config._f[i];
        configFromStringAndFormat(tempConfig);
  
        if (!valid__isValid(tempConfig)) {
          continue;
        }
  
        // if there is any input that was not parsed add a penalty for that format
        currentScore += getParsingFlags(tempConfig).charsLeftOver;
  
        //or tokens
        currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;
  
        getParsingFlags(tempConfig).score = currentScore;
  
        if (scoreToBeat == null || currentScore < scoreToBeat) {
          scoreToBeat = currentScore;
          bestMoment = tempConfig;
        }
      }
  
      extend(config, bestMoment || tempConfig);
    }
  
    function configFromObject(config) {
      if (config._d) {
        return;
      }
  
      var i = normalizeObjectUnits(config._i);
      config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {
        return obj && parseInt(obj, 10);
      });
  
      configFromArray(config);
    }
  
    function createFromConfig (config) {
      var res = new Moment(checkOverflow(prepareConfig(config)));
      if (res._nextDay) {
        // Adding is smart enough around DST
        res.add(1, 'd');
        res._nextDay = undefined;
      }
  
      return res;
    }
  
    function prepareConfig (config) {
      var input = config._i,
        format = config._f;
  
      config._locale = config._locale || locale_locales__getLocale(config._l);
  
      if (input === null || (format === undefined && input === '')) {
        return valid__createInvalid({nullInput: true});
      }
  
      if (typeof input === 'string') {
        config._i = input = config._locale.preparse(input);
      }
  
      if (isMoment(input)) {
        return new Moment(checkOverflow(input));
      } else if (isArray(format)) {
        configFromStringAndArray(config);
      } else if (format) {
        configFromStringAndFormat(config);
      } else if (isDate(input)) {
        config._d = input;
      } else {
        configFromInput(config);
      }
  
      if (!valid__isValid(config)) {
        config._d = null;
      }
  
      return config;
    }
  
    function configFromInput(config) {
      var input = config._i;
      if (input === undefined) {
        config._d = new Date(utils_hooks__hooks.now());
      } else if (isDate(input)) {
        config._d = new Date(+input);
      } else if (typeof input === 'string') {
        configFromString(config);
      } else if (isArray(input)) {
        config._a = map(input.slice(0), function (obj) {
          return parseInt(obj, 10);
        });
        configFromArray(config);
      } else if (typeof(input) === 'object') {
        configFromObject(config);
      } else if (typeof(input) === 'number') {
        // from milliseconds
        config._d = new Date(input);
      } else {
        utils_hooks__hooks.createFromInputFallback(config);
      }
    }
  
    function createLocalOrUTC (input, format, locale, strict, isUTC) {
      var c = {};
  
      if (typeof(locale) === 'boolean') {
        strict = locale;
        locale = undefined;
      }
      // object construction must be done this way.
      // https://github.com/moment/moment/issues/1423
      c._isAMomentObject = true;
      c._useUTC = c._isUTC = isUTC;
      c._l = locale;
      c._i = input;
      c._f = format;
      c._strict = strict;
  
      return createFromConfig(c);
    }
  
    function local__createLocal (input, format, locale, strict) {
      return createLocalOrUTC(input, format, locale, strict, false);
    }
  
    var prototypeMin = deprecate(
      'moment().min is deprecated, use moment.max instead. https://github.com/moment/moment/issues/1548',
      function () {
        var other = local__createLocal.apply(null, arguments);
        if (this.isValid() && other.isValid()) {
          return other < this ? this : other;
        } else {
          return valid__createInvalid();
        }
      }
    );
  
    var prototypeMax = deprecate(
      'moment().max is deprecated, use moment.min instead. https://github.com/moment/moment/issues/1548',
      function () {
        var other = local__createLocal.apply(null, arguments);
        if (this.isValid() && other.isValid()) {
          return other > this ? this : other;
        } else {
          return valid__createInvalid();
        }
      }
    );
  
    // Pick a moment m from moments so that m[fn](other) is true for all
    // other. This relies on the function fn to be transitive.
    //
    // moments should either be an array of moment objects or an array, whose
    // first element is an array of moment objects.
    function pickBy(fn, moments) {
      var res, i;
      if (moments.length === 1 && isArray(moments[0])) {
        moments = moments[0];
      }
      if (!moments.length) {
        return local__createLocal();
      }
      res = moments[0];
      for (i = 1; i < moments.length; ++i) {
        if (!moments[i].isValid() || moments[i][fn](res)) {
          res = moments[i];
        }
      }
      return res;
    }
  
    // TODO: Use [].sort instead?
    function min () {
      var args = [].slice.call(arguments, 0);
  
      return pickBy('isBefore', args);
    }
  
    function max () {
      var args = [].slice.call(arguments, 0);
  
      return pickBy('isAfter', args);
    }
  
    var now = function () {
      return Date.now ? Date.now() : +(new Date());
    };
  
    function Duration (duration) {
      var normalizedInput = normalizeObjectUnits(duration),
        years = normalizedInput.year || 0,
        quarters = normalizedInput.quarter || 0,
        months = normalizedInput.month || 0,
        weeks = normalizedInput.week || 0,
        days = normalizedInput.day || 0,
        hours = normalizedInput.hour || 0,
        minutes = normalizedInput.minute || 0,
        seconds = normalizedInput.second || 0,
        milliseconds = normalizedInput.millisecond || 0;
  
      // representation for dateAddRemove
      this._milliseconds = +milliseconds +
        seconds * 1e3 + // 1000
        minutes * 6e4 + // 1000 * 60
        hours * 36e5; // 1000 * 60 * 60
      // Because of dateAddRemove treats 24 hours as different from a
      // day when working around DST, we need to store them separately
      this._days = +days +
        weeks * 7;
      // It is impossible translate months into days without knowing
      // which months you are are talking about, so we have to store
      // it separately.
      this._months = +months +
        quarters * 3 +
        years * 12;
  
      this._data = {};
  
      this._locale = locale_locales__getLocale();
  
      this._bubble();
    }
  
    function isDuration (obj) {
      return obj instanceof Duration;
    }
  
    // FORMATTING
  
    function offset (token, separator) {
      addFormatToken(token, 0, 0, function () {
        var offset = this.utcOffset();
        var sign = '+';
        if (offset < 0) {
          offset = -offset;
          sign = '-';
        }
        return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);
      });
    }
  
    offset('Z', ':');
    offset('ZZ', '');
  
    // PARSING
  
    addRegexToken('Z',  matchShortOffset);
    addRegexToken('ZZ', matchShortOffset);
    addParseToken(['Z', 'ZZ'], function (input, array, config) {
      config._useUTC = true;
      config._tzm = offsetFromString(matchShortOffset, input);
    });
  
    // HELPERS
  
    // timezone chunker
    // '+10:00' > ['10',  '00']
    // '-1530'  > ['-15', '30']
    var chunkOffset = /([\+\-]|\d\d)/gi;
  
    function offsetFromString(matcher, string) {
      var matches = ((string || '').match(matcher) || []);
      var chunk   = matches[matches.length - 1] || [];
      var parts   = (chunk + '').match(chunkOffset) || ['-', 0, 0];
      var minutes = +(parts[1] * 60) + toInt(parts[2]);
  
      return parts[0] === '+' ? minutes : -minutes;
    }
  
    // Return a moment from input, that is local/utc/zone equivalent to model.
    function cloneWithOffset(input, model) {
      var res, diff;
      if (model._isUTC) {
        res = model.clone();
        diff = (isMoment(input) || isDate(input) ? +input : +local__createLocal(input)) - (+res);
        // Use low-level api, because this fn is low-level api.
        res._d.setTime(+res._d + diff);
        utils_hooks__hooks.updateOffset(res, false);
        return res;
      } else {
        return local__createLocal(input).local();
      }
    }
  
    function getDateOffset (m) {
      // On Firefox.24 Date#getTimezoneOffset returns a floating point.
      // https://github.com/moment/moment/pull/1871
      return -Math.round(m._d.getTimezoneOffset() / 15) * 15;
    }
  
    // HOOKS
  
    // This function will be called whenever a moment is mutated.
    // It is intended to keep the offset in sync with the timezone.
    utils_hooks__hooks.updateOffset = function () {};
  
    // MOMENTS
  
    // keepLocalTime = true means only change the timezone, without
    // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
    // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
    // +0200, so we adjust the time as needed, to be valid.
    //
    // Keeping the time actually adds/subtracts (one hour)
    // from the actual represented time. That is why we call updateOffset
    // a second time. In case it wants us to change the offset again
    // _changeInProgress == true case, then we have to adjust, because
    // there is no such time in the given timezone.
    function getSetOffset (input, keepLocalTime) {
      var offset = this._offset || 0,
        localAdjust;
      if (!this.isValid()) {
        return input != null ? this : NaN;
      }
      if (input != null) {
        if (typeof input === 'string') {
          input = offsetFromString(matchShortOffset, input);
        } else if (Math.abs(input) < 16) {
          input = input * 60;
        }
        if (!this._isUTC && keepLocalTime) {
          localAdjust = getDateOffset(this);
        }
        this._offset = input;
        this._isUTC = true;
        if (localAdjust != null) {
          this.add(localAdjust, 'm');
        }
        if (offset !== input) {
          if (!keepLocalTime || this._changeInProgress) {
            add_subtract__addSubtract(this, create__createDuration(input - offset, 'm'), 1, false);
          } else if (!this._changeInProgress) {
            this._changeInProgress = true;
            utils_hooks__hooks.updateOffset(this, true);
            this._changeInProgress = null;
          }
        }
        return this;
      } else {
        return this._isUTC ? offset : getDateOffset(this);
      }
    }
  
    function getSetZone (input, keepLocalTime) {
      if (input != null) {
        if (typeof input !== 'string') {
          input = -input;
        }
  
        this.utcOffset(input, keepLocalTime);
  
        return this;
      } else {
        return -this.utcOffset();
      }
    }
  
    function setOffsetToUTC (keepLocalTime) {
      return this.utcOffset(0, keepLocalTime);
    }
  
    function setOffsetToLocal (keepLocalTime) {
      if (this._isUTC) {
        this.utcOffset(0, keepLocalTime);
        this._isUTC = false;
  
        if (keepLocalTime) {
          this.subtract(getDateOffset(this), 'm');
        }
      }
      return this;
    }
  
    function setOffsetToParsedOffset () {
      if (this._tzm) {
        this.utcOffset(this._tzm);
      } else if (typeof this._i === 'string') {
        this.utcOffset(offsetFromString(matchOffset, this._i));
      }
      return this;
    }
  
    function hasAlignedHourOffset (input) {
      if (!this.isValid()) {
        return false;
      }
      input = input ? local__createLocal(input).utcOffset() : 0;
  
      return (this.utcOffset() - input) % 60 === 0;
    }
  
    function isDaylightSavingTime () {
      return (
        this.utcOffset() > this.clone().month(0).utcOffset() ||
        this.utcOffset() > this.clone().month(5).utcOffset()
      );
    }
  
    function isDaylightSavingTimeShifted () {
      if (!isUndefined(this._isDSTShifted)) {
        return this._isDSTShifted;
      }
  
      var c = {};
  
      copyConfig(c, this);
      c = prepareConfig(c);
  
      if (c._a) {
        var other = c._isUTC ? create_utc__createUTC(c._a) : local__createLocal(c._a);
        this._isDSTShifted = this.isValid() &&
          compareArrays(c._a, other.toArray()) > 0;
      } else {
        this._isDSTShifted = false;
      }
  
      return this._isDSTShifted;
    }
  
    function isLocal () {
      return this.isValid() ? !this._isUTC : false;
    }
  
    function isUtcOffset () {
      return this.isValid() ? this._isUTC : false;
    }
  
    function isUtc () {
      return this.isValid() ? this._isUTC && this._offset === 0 : false;
    }
  
    // ASP.NET json date format regex
    var aspNetRegex = /^(\-)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?\d*)?$/;
  
    // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
    // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
    // and further modified to allow for strings containing both week and day
    var isoRegex = /^(-)?P(?:([0-9,.]*)Y)?(?:([0-9,.]*)M)?(?:([0-9,.]*)W)?(?:([0-9,.]*)D)?(?:T(?:([0-9,.]*)H)?(?:([0-9,.]*)M)?(?:([0-9,.]*)S)?)?$/;
  
    function create__createDuration (input, key) {
      var duration = input,
      // matching against regexp is expensive, do it on demand
        match = null,
        sign,
        ret,
        diffRes;
  
      if (isDuration(input)) {
        duration = {
          ms : input._milliseconds,
          d  : input._days,
          M  : input._months
        };
      } else if (typeof input === 'number') {
        duration = {};
        if (key) {
          duration[key] = input;
        } else {
          duration.milliseconds = input;
        }
      } else if (!!(match = aspNetRegex.exec(input))) {
        sign = (match[1] === '-') ? -1 : 1;
        duration = {
          y  : 0,
          d  : toInt(match[DATE])        * sign,
          h  : toInt(match[HOUR])        * sign,
          m  : toInt(match[MINUTE])      * sign,
          s  : toInt(match[SECOND])      * sign,
          ms : toInt(match[MILLISECOND]) * sign
        };
      } else if (!!(match = isoRegex.exec(input))) {
        sign = (match[1] === '-') ? -1 : 1;
        duration = {
          y : parseIso(match[2], sign),
          M : parseIso(match[3], sign),
          w : parseIso(match[4], sign),
          d : parseIso(match[5], sign),
          h : parseIso(match[6], sign),
          m : parseIso(match[7], sign),
          s : parseIso(match[8], sign)
        };
      } else if (duration == null) {// checks for null or undefined
        duration = {};
      } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {
        diffRes = momentsDifference(local__createLocal(duration.from), local__createLocal(duration.to));
  
        duration = {};
        duration.ms = diffRes.milliseconds;
        duration.M = diffRes.months;
      }
  
      ret = new Duration(duration);
  
      if (isDuration(input) && hasOwnProp(input, '_locale')) {
        ret._locale = input._locale;
      }
  
      return ret;
    }
  
    create__createDuration.fn = Duration.prototype;
  
    function parseIso (inp, sign) {
      // We'd normally use ~~inp for this, but unfortunately it also
      // converts floats to ints.
      // inp may be undefined, so careful calling replace on it.
      var res = inp && parseFloat(inp.replace(',', '.'));
      // apply sign while we're at it
      return (isNaN(res) ? 0 : res) * sign;
    }
  
    function positiveMomentsDifference(base, other) {
      var res = {milliseconds: 0, months: 0};
  
      res.months = other.month() - base.month() +
        (other.year() - base.year()) * 12;
      if (base.clone().add(res.months, 'M').isAfter(other)) {
        --res.months;
      }
  
      res.milliseconds = +other - +(base.clone().add(res.months, 'M'));
  
      return res;
    }
  
    function momentsDifference(base, other) {
      var res;
      if (!(base.isValid() && other.isValid())) {
        return {milliseconds: 0, months: 0};
      }
  
      other = cloneWithOffset(other, base);
      if (base.isBefore(other)) {
        res = positiveMomentsDifference(base, other);
      } else {
        res = positiveMomentsDifference(other, base);
        res.milliseconds = -res.milliseconds;
        res.months = -res.months;
      }
  
      return res;
    }
  
    function absRound (number) {
      if (number < 0) {
        return Math.round(-1 * number) * -1;
      } else {
        return Math.round(number);
      }
    }
  
    // TODO: remove 'name' arg after deprecation is removed
    function createAdder(direction, name) {
      return function (val, period) {
        var dur, tmp;
        //invert the arguments, but complain about it
        if (period !== null && !isNaN(+period)) {
          deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period).');
          tmp = val; val = period; period = tmp;
        }
  
        val = typeof val === 'string' ? +val : val;
        dur = create__createDuration(val, period);
        add_subtract__addSubtract(this, dur, direction);
        return this;
      };
    }
  
    function add_subtract__addSubtract (mom, duration, isAdding, updateOffset) {
      var milliseconds = duration._milliseconds,
        days = absRound(duration._days),
        months = absRound(duration._months);
  
      if (!mom.isValid()) {
        // No op
        return;
      }
  
      updateOffset = updateOffset == null ? true : updateOffset;
  
      if (milliseconds) {
        mom._d.setTime(+mom._d + milliseconds * isAdding);
      }
      if (days) {
        get_set__set(mom, 'Date', get_set__get(mom, 'Date') + days * isAdding);
      }
      if (months) {
        setMonth(mom, get_set__get(mom, 'Month') + months * isAdding);
      }
      if (updateOffset) {
        utils_hooks__hooks.updateOffset(mom, days || months);
      }
    }
  
    var add_subtract__add      = createAdder(1, 'add');
    var add_subtract__subtract = createAdder(-1, 'subtract');
  
    function moment_calendar__calendar (time, formats) {
      // We want to compare the start of today, vs this.
      // Getting start-of-today depends on whether we're local/utc/offset or not.
      var now = time || local__createLocal(),
        sod = cloneWithOffset(now, this).startOf('day'),
        diff = this.diff(sod, 'days', true),
        format = diff < -6 ? 'sameElse' :
          diff < -1 ? 'lastWeek' :
            diff < 0 ? 'lastDay' :
              diff < 1 ? 'sameDay' :
                diff < 2 ? 'nextDay' :
                  diff < 7 ? 'nextWeek' : 'sameElse';
  
      var output = formats && (isFunction(formats[format]) ? formats[format]() : formats[format]);
  
      return this.format(output || this.localeData().calendar(format, this, local__createLocal(now)));
    }
  
    function clone () {
      return new Moment(this);
    }
  
    function isAfter (input, units) {
      var localInput = isMoment(input) ? input : local__createLocal(input);
      if (!(this.isValid() && localInput.isValid())) {
        return false;
      }
      units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');
      if (units === 'millisecond') {
        return +this > +localInput;
      } else {
        return +localInput < +this.clone().startOf(units);
      }
    }
  
    function isBefore (input, units) {
      var localInput = isMoment(input) ? input : local__createLocal(input);
      if (!(this.isValid() && localInput.isValid())) {
        return false;
      }
      units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');
      if (units === 'millisecond') {
        return +this < +localInput;
      } else {
        return +this.clone().endOf(units) < +localInput;
      }
    }
  
    function isBetween (from, to, units) {
      return this.isAfter(from, units) && this.isBefore(to, units);
    }
  
    function isSame (input, units) {
      var localInput = isMoment(input) ? input : local__createLocal(input),
        inputMs;
      if (!(this.isValid() && localInput.isValid())) {
        return false;
      }
      units = normalizeUnits(units || 'millisecond');
      if (units === 'millisecond') {
        return +this === +localInput;
      } else {
        inputMs = +localInput;
        return +(this.clone().startOf(units)) <= inputMs && inputMs <= +(this.clone().endOf(units));
      }
    }
  
    function isSameOrAfter (input, units) {
      return this.isSame(input, units) || this.isAfter(input,units);
    }
  
    function isSameOrBefore (input, units) {
      return this.isSame(input, units) || this.isBefore(input,units);
    }
  
    function diff (input, units, asFloat) {
      var that,
        zoneDelta,
        delta, output;
  
      if (!this.isValid()) {
        return NaN;
      }
  
      that = cloneWithOffset(input, this);
  
      if (!that.isValid()) {
        return NaN;
      }
  
      zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;
  
      units = normalizeUnits(units);
  
      if (units === 'year' || units === 'month' || units === 'quarter') {
        output = monthDiff(this, that);
        if (units === 'quarter') {
          output = output / 3;
        } else if (units === 'year') {
          output = output / 12;
        }
      } else {
        delta = this - that;
        output = units === 'second' ? delta / 1e3 : // 1000
          units === 'minute' ? delta / 6e4 : // 1000 * 60
            units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60
              units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst
                units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst
                  delta;
      }
      return asFloat ? output : absFloor(output);
    }
  
    function monthDiff (a, b) {
      // difference in months
      var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),
      // b is in (anchor - 1 month, anchor + 1 month)
        anchor = a.clone().add(wholeMonthDiff, 'months'),
        anchor2, adjust;
  
      if (b - anchor < 0) {
        anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');
        // linear across the month
        adjust = (b - anchor) / (anchor - anchor2);
      } else {
        anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');
        // linear across the month
        adjust = (b - anchor) / (anchor2 - anchor);
      }
  
      return -(wholeMonthDiff + adjust);
    }
  
    utils_hooks__hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';
  
    function toString () {
      return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
    }
  
    function moment_format__toISOString () {
      var m = this.clone().utc();
      if (0 < m.year() && m.year() <= 9999) {
        if (isFunction(Date.prototype.toISOString)) {
          // native implementation is ~50x faster, use it when we can
          return this.toDate().toISOString();
        } else {
          return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
        }
      } else {
        return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
      }
    }
  
    function format (inputString) {
      var output = formatMoment(this, inputString || utils_hooks__hooks.defaultFormat);
      return this.localeData().postformat(output);
    }
  
    function from (time, withoutSuffix) {
      if (this.isValid() &&
        ((isMoment(time) && time.isValid()) ||
        local__createLocal(time).isValid())) {
        return create__createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);
      } else {
        return this.localeData().invalidDate();
      }
    }
  
    function fromNow (withoutSuffix) {
      return this.from(local__createLocal(), withoutSuffix);
    }
  
    function to (time, withoutSuffix) {
      if (this.isValid() &&
        ((isMoment(time) && time.isValid()) ||
        local__createLocal(time).isValid())) {
        return create__createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);
      } else {
        return this.localeData().invalidDate();
      }
    }
  
    function toNow (withoutSuffix) {
      return this.to(local__createLocal(), withoutSuffix);
    }
  
    // If passed a locale key, it will set the locale for this
    // instance.  Otherwise, it will return the locale configuration
    // variables for this instance.
    function locale (key) {
      var newLocaleData;
  
      if (key === undefined) {
        return this._locale._abbr;
      } else {
        newLocaleData = locale_locales__getLocale(key);
        if (newLocaleData != null) {
          this._locale = newLocaleData;
        }
        return this;
      }
    }
  
    var lang = deprecate(
      'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',
      function (key) {
        if (key === undefined) {
          return this.localeData();
        } else {
          return this.locale(key);
        }
      }
    );
  
    function localeData () {
      return this._locale;
    }
  
    function startOf (units) {
      units = normalizeUnits(units);
      // the following switch intentionally omits break keywords
      // to utilize falling through the cases.
      switch (units) {
        case 'year':
          this.month(0);
        /* falls through */
        case 'quarter':
        case 'month':
          this.date(1);
        /* falls through */
        case 'week':
        case 'isoWeek':
        case 'day':
          this.hours(0);
        /* falls through */
        case 'hour':
          this.minutes(0);
        /* falls through */
        case 'minute':
          this.seconds(0);
        /* falls through */
        case 'second':
          this.milliseconds(0);
      }
  
      // weeks are a special case
      if (units === 'week') {
        this.weekday(0);
      }
      if (units === 'isoWeek') {
        this.isoWeekday(1);
      }
  
      // quarters are also special
      if (units === 'quarter') {
        this.month(Math.floor(this.month() / 3) * 3);
      }
  
      return this;
    }
  
    function endOf (units) {
      units = normalizeUnits(units);
      if (units === undefined || units === 'millisecond') {
        return this;
      }
      return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');
    }
  
    function to_type__valueOf () {
      return +this._d - ((this._offset || 0) * 60000);
    }
  
    function unix () {
      return Math.floor(+this / 1000);
    }
  
    function toDate () {
      return this._offset ? new Date(+this) : this._d;
    }
  
    function toArray () {
      var m = this;
      return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];
    }
  
    function toObject () {
      var m = this;
      return {
        years: m.year(),
        months: m.month(),
        date: m.date(),
        hours: m.hours(),
        minutes: m.minutes(),
        seconds: m.seconds(),
        milliseconds: m.milliseconds()
      };
    }
  
    function toJSON () {
      // new Date(NaN).toJSON() === null
      return this.isValid() ? this.toISOString() : null;
    }
  
    function moment_valid__isValid () {
      return valid__isValid(this);
    }
  
    function parsingFlags () {
      return extend({}, getParsingFlags(this));
    }
  
    function invalidAt () {
      return getParsingFlags(this).overflow;
    }
  
    function creationData() {
      return {
        input: this._i,
        format: this._f,
        locale: this._locale,
        isUTC: this._isUTC,
        strict: this._strict
      };
    }
  
    // FORMATTING
  
    addFormatToken(0, ['gg', 2], 0, function () {
      return this.weekYear() % 100;
    });
  
    addFormatToken(0, ['GG', 2], 0, function () {
      return this.isoWeekYear() % 100;
    });
  
    function addWeekYearFormatToken (token, getter) {
      addFormatToken(0, [token, token.length], 0, getter);
    }
  
    addWeekYearFormatToken('gggg',     'weekYear');
    addWeekYearFormatToken('ggggg',    'weekYear');
    addWeekYearFormatToken('GGGG',  'isoWeekYear');
    addWeekYearFormatToken('GGGGG', 'isoWeekYear');
  
    // ALIASES
  
    addUnitAlias('weekYear', 'gg');
    addUnitAlias('isoWeekYear', 'GG');
  
    // PARSING
  
    addRegexToken('G',      matchSigned);
    addRegexToken('g',      matchSigned);
    addRegexToken('GG',     match1to2, match2);
    addRegexToken('gg',     match1to2, match2);
    addRegexToken('GGGG',   match1to4, match4);
    addRegexToken('gggg',   match1to4, match4);
    addRegexToken('GGGGG',  match1to6, match6);
    addRegexToken('ggggg',  match1to6, match6);
  
    addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {
      week[token.substr(0, 2)] = toInt(input);
    });
  
    addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
      week[token] = utils_hooks__hooks.parseTwoDigitYear(input);
    });
  
    // MOMENTS
  
    function getSetWeekYear (input) {
      return getSetWeekYearHelper.call(this,
        input,
        this.week(),
        this.weekday(),
        this.localeData()._week.dow,
        this.localeData()._week.doy);
    }
  
    function getSetISOWeekYear (input) {
      return getSetWeekYearHelper.call(this,
        input, this.isoWeek(), this.isoWeekday(), 1, 4);
    }
  
    function getISOWeeksInYear () {
      return weeksInYear(this.year(), 1, 4);
    }
  
    function getWeeksInYear () {
      var weekInfo = this.localeData()._week;
      return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
    }
  
    function getSetWeekYearHelper(input, week, weekday, dow, doy) {
      var weeksTarget;
      if (input == null) {
        return weekOfYear(this, dow, doy).year;
      } else {
        weeksTarget = weeksInYear(input, dow, doy);
        if (week > weeksTarget) {
          week = weeksTarget;
        }
        return setWeekAll.call(this, input, week, weekday, dow, doy);
      }
    }
  
    function setWeekAll(weekYear, week, weekday, dow, doy) {
      var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
        date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);
  
      this.year(date.getUTCFullYear());
      this.month(date.getUTCMonth());
      this.date(date.getUTCDate());
      return this;
    }
  
    // FORMATTING
  
    addFormatToken('Q', 0, 'Qo', 'quarter');
  
    // ALIASES
  
    addUnitAlias('quarter', 'Q');
  
    // PARSING
  
    addRegexToken('Q', match1);
    addParseToken('Q', function (input, array) {
      array[MONTH] = (toInt(input) - 1) * 3;
    });
  
    // MOMENTS
  
    function getSetQuarter (input) {
      return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);
    }
  
    // FORMATTING
  
    addFormatToken('w', ['ww', 2], 'wo', 'week');
    addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');
  
    // ALIASES
  
    addUnitAlias('week', 'w');
    addUnitAlias('isoWeek', 'W');
  
    // PARSING
  
    addRegexToken('w',  match1to2);
    addRegexToken('ww', match1to2, match2);
    addRegexToken('W',  match1to2);
    addRegexToken('WW', match1to2, match2);
  
    addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {
      week[token.substr(0, 1)] = toInt(input);
    });
  
    // HELPERS
  
    // LOCALES
  
    function localeWeek (mom) {
      return weekOfYear(mom, this._week.dow, this._week.doy).week;
    }
  
    var defaultLocaleWeek = {
      dow : 0, // Sunday is the first day of the week.
      doy : 6  // The week that contains Jan 1st is the first week of the year.
    };
  
    function localeFirstDayOfWeek () {
      return this._week.dow;
    }
  
    function localeFirstDayOfYear () {
      return this._week.doy;
    }
  
    // MOMENTS
  
    function getSetWeek (input) {
      var week = this.localeData().week(this);
      return input == null ? week : this.add((input - week) * 7, 'd');
    }
  
    function getSetISOWeek (input) {
      var week = weekOfYear(this, 1, 4).week;
      return input == null ? week : this.add((input - week) * 7, 'd');
    }
  
    // FORMATTING
  
    addFormatToken('D', ['DD', 2], 'Do', 'date');
  
    // ALIASES
  
    addUnitAlias('date', 'D');
  
    // PARSING
  
    addRegexToken('D',  match1to2);
    addRegexToken('DD', match1to2, match2);
    addRegexToken('Do', function (isStrict, locale) {
      return isStrict ? locale._ordinalParse : locale._ordinalParseLenient;
    });
  
    addParseToken(['D', 'DD'], DATE);
    addParseToken('Do', function (input, array) {
      array[DATE] = toInt(input.match(match1to2)[0], 10);
    });
  
    // MOMENTS
  
    var getSetDayOfMonth = makeGetSet('Date', true);
  
    // FORMATTING
  
    addFormatToken('d', 0, 'do', 'day');
  
    addFormatToken('dd', 0, 0, function (format) {
      return this.localeData().weekdaysMin(this, format);
    });
  
    addFormatToken('ddd', 0, 0, function (format) {
      return this.localeData().weekdaysShort(this, format);
    });
  
    addFormatToken('dddd', 0, 0, function (format) {
      return this.localeData().weekdays(this, format);
    });
  
    addFormatToken('e', 0, 0, 'weekday');
    addFormatToken('E', 0, 0, 'isoWeekday');
  
    // ALIASES
  
    addUnitAlias('day', 'd');
    addUnitAlias('weekday', 'e');
    addUnitAlias('isoWeekday', 'E');
  
    // PARSING
  
    addRegexToken('d',    match1to2);
    addRegexToken('e',    match1to2);
    addRegexToken('E',    match1to2);
    addRegexToken('dd',   matchWord);
    addRegexToken('ddd',  matchWord);
    addRegexToken('dddd', matchWord);
  
    addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {
      var weekday = config._locale.weekdaysParse(input, token, config._strict);
      // if we didn't get a weekday name, mark the date as invalid
      if (weekday != null) {
        week.d = weekday;
      } else {
        getParsingFlags(config).invalidWeekday = input;
      }
    });
  
    addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {
      week[token] = toInt(input);
    });
  
    // HELPERS
  
    function parseWeekday(input, locale) {
      if (typeof input !== 'string') {
        return input;
      }
  
      if (!isNaN(input)) {
        return parseInt(input, 10);
      }
  
      input = locale.weekdaysParse(input);
      if (typeof input === 'number') {
        return input;
      }
  
      return null;
    }
  
    // LOCALES
  
    var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');
    function localeWeekdays (m, format) {
      return isArray(this._weekdays) ? this._weekdays[m.day()] :
        this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];
    }
  
    var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');
    function localeWeekdaysShort (m) {
      return this._weekdaysShort[m.day()];
    }
  
    var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');
    function localeWeekdaysMin (m) {
      return this._weekdaysMin[m.day()];
    }
  
    function localeWeekdaysParse (weekdayName, format, strict) {
      var i, mom, regex;
  
      if (!this._weekdaysParse) {
        this._weekdaysParse = [];
        this._minWeekdaysParse = [];
        this._shortWeekdaysParse = [];
        this._fullWeekdaysParse = [];
      }
  
      for (i = 0; i < 7; i++) {
        // make the regex if we don't have it already
  
        mom = local__createLocal([2000, 1]).day(i);
        if (strict && !this._fullWeekdaysParse[i]) {
          this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\.?') + '$', 'i');
          this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\.?') + '$', 'i');
          this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\.?') + '$', 'i');
        }
        if (!this._weekdaysParse[i]) {
          regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
          this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
        }
        // test the regex
        if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {
          return i;
        } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {
          return i;
        } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {
          return i;
        } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
          return i;
        }
      }
    }
  
    // MOMENTS
  
    function getSetDayOfWeek (input) {
      if (!this.isValid()) {
        return input != null ? this : NaN;
      }
      var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
      if (input != null) {
        input = parseWeekday(input, this.localeData());
        return this.add(input - day, 'd');
      } else {
        return day;
      }
    }
  
    function getSetLocaleDayOfWeek (input) {
      if (!this.isValid()) {
        return input != null ? this : NaN;
      }
      var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
      return input == null ? weekday : this.add(input - weekday, 'd');
    }
  
    function getSetISODayOfWeek (input) {
      if (!this.isValid()) {
        return input != null ? this : NaN;
      }
      // behaves the same as moment#day except
      // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
      // as a setter, sunday should belong to the previous week.
      return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7);
    }
  
    // FORMATTING
  
    addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');
  
    // ALIASES
  
    addUnitAlias('dayOfYear', 'DDD');
  
    // PARSING
  
    addRegexToken('DDD',  match1to3);
    addRegexToken('DDDD', match3);
    addParseToken(['DDD', 'DDDD'], function (input, array, config) {
      config._dayOfYear = toInt(input);
    });
  
    // HELPERS
  
    // MOMENTS
  
    function getSetDayOfYear (input) {
      var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;
      return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');
    }
  
    // FORMATTING
  
    function hFormat() {
      return this.hours() % 12 || 12;
    }
  
    addFormatToken('H', ['HH', 2], 0, 'hour');
    addFormatToken('h', ['hh', 2], 0, hFormat);
  
    addFormatToken('hmm', 0, 0, function () {
      return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);
    });
  
    addFormatToken('hmmss', 0, 0, function () {
      return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +
        zeroFill(this.seconds(), 2);
    });
  
    addFormatToken('Hmm', 0, 0, function () {
      return '' + this.hours() + zeroFill(this.minutes(), 2);
    });
  
    addFormatToken('Hmmss', 0, 0, function () {
      return '' + this.hours() + zeroFill(this.minutes(), 2) +
        zeroFill(this.seconds(), 2);
    });
  
    function meridiem (token, lowercase) {
      addFormatToken(token, 0, 0, function () {
        return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);
      });
    }
  
    meridiem('a', true);
    meridiem('A', false);
  
    // ALIASES
  
    addUnitAlias('hour', 'h');
  
    // PARSING
  
    function matchMeridiem (isStrict, locale) {
      return locale._meridiemParse;
    }
  
    addRegexToken('a',  matchMeridiem);
    addRegexToken('A',  matchMeridiem);
    addRegexToken('H',  match1to2);
    addRegexToken('h',  match1to2);
    addRegexToken('HH', match1to2, match2);
    addRegexToken('hh', match1to2, match2);
  
    addRegexToken('hmm', match3to4);
    addRegexToken('hmmss', match5to6);
    addRegexToken('Hmm', match3to4);
    addRegexToken('Hmmss', match5to6);
  
    addParseToken(['H', 'HH'], HOUR);
    addParseToken(['a', 'A'], function (input, array, config) {
      config._isPm = config._locale.isPM(input);
      config._meridiem = input;
    });
    addParseToken(['h', 'hh'], function (input, array, config) {
      array[HOUR] = toInt(input);
      getParsingFlags(config).bigHour = true;
    });
    addParseToken('hmm', function (input, array, config) {
      var pos = input.length - 2;
      array[HOUR] = toInt(input.substr(0, pos));
      array[MINUTE] = toInt(input.substr(pos));
      getParsingFlags(config).bigHour = true;
    });
    addParseToken('hmmss', function (input, array, config) {
      var pos1 = input.length - 4;
      var pos2 = input.length - 2;
      array[HOUR] = toInt(input.substr(0, pos1));
      array[MINUTE] = toInt(input.substr(pos1, 2));
      array[SECOND] = toInt(input.substr(pos2));
      getParsingFlags(config).bigHour = true;
    });
    addParseToken('Hmm', function (input, array, config) {
      var pos = input.length - 2;
      array[HOUR] = toInt(input.substr(0, pos));
      array[MINUTE] = toInt(input.substr(pos));
    });
    addParseToken('Hmmss', function (input, array, config) {
      var pos1 = input.length - 4;
      var pos2 = input.length - 2;
      array[HOUR] = toInt(input.substr(0, pos1));
      array[MINUTE] = toInt(input.substr(pos1, 2));
      array[SECOND] = toInt(input.substr(pos2));
    });
  
    // LOCALES
  
    function localeIsPM (input) {
      // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
      // Using charAt should be more compatible.
      return ((input + '').toLowerCase().charAt(0) === 'p');
    }
  
    var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i;
    function localeMeridiem (hours, minutes, isLower) {
      if (hours > 11) {
        return isLower ? 'pm' : 'PM';
      } else {
        return isLower ? 'am' : 'AM';
      }
    }
  
  
    // MOMENTS
  
    // Setting the hour should keep the time, because the user explicitly
    // specified which hour he wants. So trying to maintain the same hour (in
    // a new timezone) makes sense. Adding/subtracting hours does not follow
    // this rule.
    var getSetHour = makeGetSet('Hours', true);
  
    // FORMATTING
  
    addFormatToken('m', ['mm', 2], 0, 'minute');
  
    // ALIASES
  
    addUnitAlias('minute', 'm');
  
    // PARSING
  
    addRegexToken('m',  match1to2);
    addRegexToken('mm', match1to2, match2);
    addParseToken(['m', 'mm'], MINUTE);
  
    // MOMENTS
  
    var getSetMinute = makeGetSet('Minutes', false);
  
    // FORMATTING
  
    addFormatToken('s', ['ss', 2], 0, 'second');
  
    // ALIASES
  
    addUnitAlias('second', 's');
  
    // PARSING
  
    addRegexToken('s',  match1to2);
    addRegexToken('ss', match1to2, match2);
    addParseToken(['s', 'ss'], SECOND);
  
    // MOMENTS
  
    var getSetSecond = makeGetSet('Seconds', false);
  
    // FORMATTING
  
    addFormatToken('S', 0, 0, function () {
      return ~~(this.millisecond() / 100);
    });
  
    addFormatToken(0, ['SS', 2], 0, function () {
      return ~~(this.millisecond() / 10);
    });
  
    addFormatToken(0, ['SSS', 3], 0, 'millisecond');
    addFormatToken(0, ['SSSS', 4], 0, function () {
      return this.millisecond() * 10;
    });
    addFormatToken(0, ['SSSSS', 5], 0, function () {
      return this.millisecond() * 100;
    });
    addFormatToken(0, ['SSSSSS', 6], 0, function () {
      return this.millisecond() * 1000;
    });
    addFormatToken(0, ['SSSSSSS', 7], 0, function () {
      return this.millisecond() * 10000;
    });
    addFormatToken(0, ['SSSSSSSS', 8], 0, function () {
      return this.millisecond() * 100000;
    });
    addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {
      return this.millisecond() * 1000000;
    });
  
  
    // ALIASES
  
    addUnitAlias('millisecond', 'ms');
  
    // PARSING
  
    addRegexToken('S',    match1to3, match1);
    addRegexToken('SS',   match1to3, match2);
    addRegexToken('SSS',  match1to3, match3);
  
    var token;
    for (token = 'SSSS'; token.length <= 9; token += 'S') {
      addRegexToken(token, matchUnsigned);
    }
  
    function parseMs(input, array) {
      array[MILLISECOND] = toInt(('0.' + input) * 1000);
    }
  
    for (token = 'S'; token.length <= 9; token += 'S') {
      addParseToken(token, parseMs);
    }
    // MOMENTS
  
    var getSetMillisecond = makeGetSet('Milliseconds', false);
  
    // FORMATTING
  
    addFormatToken('z',  0, 0, 'zoneAbbr');
    addFormatToken('zz', 0, 0, 'zoneName');
  
    // MOMENTS
  
    function getZoneAbbr () {
      return this._isUTC ? 'UTC' : '';
    }
  
    function getZoneName () {
      return this._isUTC ? 'Coordinated Universal Time' : '';
    }
  
    var momentPrototype__proto = Moment.prototype;
  
    momentPrototype__proto.add               = add_subtract__add;
    momentPrototype__proto.calendar          = moment_calendar__calendar;
    momentPrototype__proto.clone             = clone;
    momentPrototype__proto.diff              = diff;
    momentPrototype__proto.endOf             = endOf;
    momentPrototype__proto.format            = format;
    momentPrototype__proto.from              = from;
    momentPrototype__proto.fromNow           = fromNow;
    momentPrototype__proto.to                = to;
    momentPrototype__proto.toNow             = toNow;
    momentPrototype__proto.get               = getSet;
    momentPrototype__proto.invalidAt         = invalidAt;
    momentPrototype__proto.isAfter           = isAfter;
    momentPrototype__proto.isBefore          = isBefore;
    momentPrototype__proto.isBetween         = isBetween;
    momentPrototype__proto.isSame            = isSame;
    momentPrototype__proto.isSameOrAfter     = isSameOrAfter;
    momentPrototype__proto.isSameOrBefore    = isSameOrBefore;
    momentPrototype__proto.isValid           = moment_valid__isValid;
    momentPrototype__proto.lang              = lang;
    momentPrototype__proto.locale            = locale;
    momentPrototype__proto.localeData        = localeData;
    momentPrototype__proto.max               = prototypeMax;
    momentPrototype__proto.min               = prototypeMin;
    momentPrototype__proto.parsingFlags      = parsingFlags;
    momentPrototype__proto.set               = getSet;
    momentPrototype__proto.startOf           = startOf;
    momentPrototype__proto.subtract          = add_subtract__subtract;
    momentPrototype__proto.toArray           = toArray;
    momentPrototype__proto.toObject          = toObject;
    momentPrototype__proto.toDate            = toDate;
    momentPrototype__proto.toISOString       = moment_format__toISOString;
    momentPrototype__proto.toJSON            = toJSON;
    momentPrototype__proto.toString          = toString;
    momentPrototype__proto.unix              = unix;
    momentPrototype__proto.valueOf           = to_type__valueOf;
    momentPrototype__proto.creationData      = creationData;
  
    // Year
    momentPrototype__proto.year       = getSetYear;
    momentPrototype__proto.isLeapYear = getIsLeapYear;
  
    // Week Year
    momentPrototype__proto.weekYear    = getSetWeekYear;
    momentPrototype__proto.isoWeekYear = getSetISOWeekYear;
  
    // Quarter
    momentPrototype__proto.quarter = momentPrototype__proto.quarters = getSetQuarter;
  
    // Month
    momentPrototype__proto.month       = getSetMonth;
    momentPrototype__proto.daysInMonth = getDaysInMonth;
  
    // Week
    momentPrototype__proto.week           = momentPrototype__proto.weeks        = getSetWeek;
    momentPrototype__proto.isoWeek        = momentPrototype__proto.isoWeeks     = getSetISOWeek;
    momentPrototype__proto.weeksInYear    = getWeeksInYear;
    momentPrototype__proto.isoWeeksInYear = getISOWeeksInYear;
  
    // Day
    momentPrototype__proto.date       = getSetDayOfMonth;
    momentPrototype__proto.day        = momentPrototype__proto.days             = getSetDayOfWeek;
    momentPrototype__proto.weekday    = getSetLocaleDayOfWeek;
    momentPrototype__proto.isoWeekday = getSetISODayOfWeek;
    momentPrototype__proto.dayOfYear  = getSetDayOfYear;
  
    // Hour
    momentPrototype__proto.hour = momentPrototype__proto.hours = getSetHour;
  
    // Minute
    momentPrototype__proto.minute = momentPrototype__proto.minutes = getSetMinute;
  
    // Second
    momentPrototype__proto.second = momentPrototype__proto.seconds = getSetSecond;
  
    // Millisecond
    momentPrototype__proto.millisecond = momentPrototype__proto.milliseconds = getSetMillisecond;
  
    // Offset
    momentPrototype__proto.utcOffset            = getSetOffset;
    momentPrototype__proto.utc                  = setOffsetToUTC;
    momentPrototype__proto.local                = setOffsetToLocal;
    momentPrototype__proto.parseZone            = setOffsetToParsedOffset;
    momentPrototype__proto.hasAlignedHourOffset = hasAlignedHourOffset;
    momentPrototype__proto.isDST                = isDaylightSavingTime;
    momentPrototype__proto.isDSTShifted         = isDaylightSavingTimeShifted;
    momentPrototype__proto.isLocal              = isLocal;
    momentPrototype__proto.isUtcOffset          = isUtcOffset;
    momentPrototype__proto.isUtc                = isUtc;
    momentPrototype__proto.isUTC                = isUtc;
  
    // Timezone
    momentPrototype__proto.zoneAbbr = getZoneAbbr;
    momentPrototype__proto.zoneName = getZoneName;
  
    // Deprecations
    momentPrototype__proto.dates  = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);
    momentPrototype__proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);
    momentPrototype__proto.years  = deprecate('years accessor is deprecated. Use year instead', getSetYear);
    momentPrototype__proto.zone   = deprecate('moment().zone is deprecated, use moment().utcOffset instead. https://github.com/moment/moment/issues/1779', getSetZone);
  
    var momentPrototype = momentPrototype__proto;
  
    function moment__createUnix (input) {
      return local__createLocal(input * 1000);
    }
  
    function moment__createInZone () {
      return local__createLocal.apply(null, arguments).parseZone();
    }
  
    var defaultCalendar = {
      sameDay : '[Today at] LT',
      nextDay : '[Tomorrow at] LT',
      nextWeek : 'dddd [at] LT',
      lastDay : '[Yesterday at] LT',
      lastWeek : '[Last] dddd [at] LT',
      sameElse : 'L'
    };
  
    function locale_calendar__calendar (key, mom, now) {
      var output = this._calendar[key];
      return isFunction(output) ? output.call(mom, now) : output;
    }
  
    var defaultLongDateFormat = {
      LTS  : 'h:mm:ss A',
      LT   : 'h:mm A',
      L    : 'MM/DD/YYYY',
      LL   : 'MMMM D, YYYY',
      LLL  : 'MMMM D, YYYY h:mm A',
      LLLL : 'dddd, MMMM D, YYYY h:mm A'
    };
  
    function longDateFormat (key) {
      var format = this._longDateFormat[key],
        formatUpper = this._longDateFormat[key.toUpperCase()];
  
      if (format || !formatUpper) {
        return format;
      }
  
      this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {
        return val.slice(1);
      });
  
      return this._longDateFormat[key];
    }
  
    var defaultInvalidDate = 'Invalid date';
  
    function invalidDate () {
      return this._invalidDate;
    }
  
    var defaultOrdinal = '%d';
    var defaultOrdinalParse = /\d{1,2}/;
  
    function ordinal (number) {
      return this._ordinal.replace('%d', number);
    }
  
    function preParsePostFormat (string) {
      return string;
    }
  
    var defaultRelativeTime = {
      future : 'in %s',
      past   : '%s ago',
      s  : 'a few seconds',
      m  : 'a minute',
      mm : '%d minutes',
      h  : 'an hour',
      hh : '%d hours',
      d  : 'a day',
      dd : '%d days',
      M  : 'a month',
      MM : '%d months',
      y  : 'a year',
      yy : '%d years'
    };
  
    function relative__relativeTime (number, withoutSuffix, string, isFuture) {
      var output = this._relativeTime[string];
      return (isFunction(output)) ?
        output(number, withoutSuffix, string, isFuture) :
        output.replace(/%d/i, number);
    }
  
    function pastFuture (diff, output) {
      var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
      return isFunction(format) ? format(output) : format.replace(/%s/i, output);
    }
  
    var prototype__proto = Locale.prototype;
  
    prototype__proto._calendar       = defaultCalendar;
    prototype__proto.calendar        = locale_calendar__calendar;
    prototype__proto._longDateFormat = defaultLongDateFormat;
    prototype__proto.longDateFormat  = longDateFormat;
    prototype__proto._invalidDate    = defaultInvalidDate;
    prototype__proto.invalidDate     = invalidDate;
    prototype__proto._ordinal        = defaultOrdinal;
    prototype__proto.ordinal         = ordinal;
    prototype__proto._ordinalParse   = defaultOrdinalParse;
    prototype__proto.preparse        = preParsePostFormat;
    prototype__proto.postformat      = preParsePostFormat;
    prototype__proto._relativeTime   = defaultRelativeTime;
    prototype__proto.relativeTime    = relative__relativeTime;
    prototype__proto.pastFuture      = pastFuture;
    prototype__proto.set             = locale_set__set;
  
    // Month
    prototype__proto.months            =        localeMonths;
    prototype__proto._months           = defaultLocaleMonths;
    prototype__proto.monthsShort       =        localeMonthsShort;
    prototype__proto._monthsShort      = defaultLocaleMonthsShort;
    prototype__proto.monthsParse       =        localeMonthsParse;
    prototype__proto._monthsRegex      = defaultMonthsRegex;
    prototype__proto.monthsRegex       = monthsRegex;
    prototype__proto._monthsShortRegex = defaultMonthsShortRegex;
    prototype__proto.monthsShortRegex  = monthsShortRegex;
  
    // Week
    prototype__proto.week = localeWeek;
    prototype__proto._week = defaultLocaleWeek;
    prototype__proto.firstDayOfYear = localeFirstDayOfYear;
    prototype__proto.firstDayOfWeek = localeFirstDayOfWeek;
  
    // Day of Week
    prototype__proto.weekdays       =        localeWeekdays;
    prototype__proto._weekdays      = defaultLocaleWeekdays;
    prototype__proto.weekdaysMin    =        localeWeekdaysMin;
    prototype__proto._weekdaysMin   = defaultLocaleWeekdaysMin;
    prototype__proto.weekdaysShort  =        localeWeekdaysShort;
    prototype__proto._weekdaysShort = defaultLocaleWeekdaysShort;
    prototype__proto.weekdaysParse  =        localeWeekdaysParse;
  
    // Hours
    prototype__proto.isPM = localeIsPM;
    prototype__proto._meridiemParse = defaultLocaleMeridiemParse;
    prototype__proto.meridiem = localeMeridiem;
  
    function lists__get (format, index, field, setter) {
      var locale = locale_locales__getLocale();
      var utc = create_utc__createUTC().set(setter, index);
      return locale[field](utc, format);
    }
  
    function list (format, index, field, count, setter) {
      if (typeof format === 'number') {
        index = format;
        format = undefined;
      }
  
      format = format || '';
  
      if (index != null) {
        return lists__get(format, index, field, setter);
      }
  
      var i;
      var out = [];
      for (i = 0; i < count; i++) {
        out[i] = lists__get(format, i, field, setter);
      }
      return out;
    }
  
    function lists__listMonths (format, index) {
      return list(format, index, 'months', 12, 'month');
    }
  
    function lists__listMonthsShort (format, index) {
      return list(format, index, 'monthsShort', 12, 'month');
    }
  
    function lists__listWeekdays (format, index) {
      return list(format, index, 'weekdays', 7, 'day');
    }
  
    function lists__listWeekdaysShort (format, index) {
      return list(format, index, 'weekdaysShort', 7, 'day');
    }
  
    function lists__listWeekdaysMin (format, index) {
      return list(format, index, 'weekdaysMin', 7, 'day');
    }
  
    locale_locales__getSetGlobalLocale('en', {
      ordinalParse: /\d{1,2}(th|st|nd|rd)/,
      ordinal : function (number) {
        var b = number % 10,
          output = (toInt(number % 100 / 10) === 1) ? 'th' :
            (b === 1) ? 'st' :
              (b === 2) ? 'nd' :
                (b === 3) ? 'rd' : 'th';
        return number + output;
      }
    });
  
    // Side effect imports
    utils_hooks__hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', locale_locales__getSetGlobalLocale);
    utils_hooks__hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', locale_locales__getLocale);
  
    var mathAbs = Math.abs;
  
    function duration_abs__abs () {
      var data           = this._data;
  
      this._milliseconds = mathAbs(this._milliseconds);
      this._days         = mathAbs(this._days);
      this._months       = mathAbs(this._months);
  
      data.milliseconds  = mathAbs(data.milliseconds);
      data.seconds       = mathAbs(data.seconds);
      data.minutes       = mathAbs(data.minutes);
      data.hours         = mathAbs(data.hours);
      data.months        = mathAbs(data.months);
      data.years         = mathAbs(data.years);
  
      return this;
    }
  
    function duration_add_subtract__addSubtract (duration, input, value, direction) {
      var other = create__createDuration(input, value);
  
      duration._milliseconds += direction * other._milliseconds;
      duration._days         += direction * other._days;
      duration._months       += direction * other._months;
  
      return duration._bubble();
    }
  
    // supports only 2.0-style add(1, 's') or add(duration)
    function duration_add_subtract__add (input, value) {
      return duration_add_subtract__addSubtract(this, input, value, 1);
    }
  
    // supports only 2.0-style subtract(1, 's') or subtract(duration)
    function duration_add_subtract__subtract (input, value) {
      return duration_add_subtract__addSubtract(this, input, value, -1);
    }
  
    function absCeil (number) {
      if (number < 0) {
        return Math.floor(number);
      } else {
        return Math.ceil(number);
      }
    }
  
    function bubble () {
      var milliseconds = this._milliseconds;
      var days         = this._days;
      var months       = this._months;
      var data         = this._data;
      var seconds, minutes, hours, years, monthsFromDays;
  
      // if we have a mix of positive and negative values, bubble down first
      // check: https://github.com/moment/moment/issues/2166
      if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||
        (milliseconds <= 0 && days <= 0 && months <= 0))) {
        milliseconds += absCeil(monthsToDays(months) + days) * 864e5;
        days = 0;
        months = 0;
      }
  
      // The following code bubbles up values, see the tests for
      // examples of what that means.
      data.milliseconds = milliseconds % 1000;
  
      seconds           = absFloor(milliseconds / 1000);
      data.seconds      = seconds % 60;
  
      minutes           = absFloor(seconds / 60);
      data.minutes      = minutes % 60;
  
      hours             = absFloor(minutes / 60);
      data.hours        = hours % 24;
  
      days += absFloor(hours / 24);
  
      // convert days to months
      monthsFromDays = absFloor(daysToMonths(days));
      months += monthsFromDays;
      days -= absCeil(monthsToDays(monthsFromDays));
  
      // 12 months -> 1 year
      years = absFloor(months / 12);
      months %= 12;
  
      data.days   = days;
      data.months = months;
      data.years  = years;
  
      return this;
    }
  
    function daysToMonths (days) {
      // 400 years have 146097 days (taking into account leap year rules)
      // 400 years have 12 months === 4800
      return days * 4800 / 146097;
    }
  
    function monthsToDays (months) {
      // the reverse of daysToMonths
      return months * 146097 / 4800;
    }
  
    function as (units) {
      var days;
      var months;
      var milliseconds = this._milliseconds;
  
      units = normalizeUnits(units);
  
      if (units === 'month' || units === 'year') {
        days   = this._days   + milliseconds / 864e5;
        months = this._months + daysToMonths(days);
        return units === 'month' ? months : months / 12;
      } else {
        // handle milliseconds separately because of floating point math errors (issue #1867)
        days = this._days + Math.round(monthsToDays(this._months));
        switch (units) {
          case 'week'   : return days / 7     + milliseconds / 6048e5;
          case 'day'    : return days         + milliseconds / 864e5;
          case 'hour'   : return days * 24    + milliseconds / 36e5;
          case 'minute' : return days * 1440  + milliseconds / 6e4;
          case 'second' : return days * 86400 + milliseconds / 1000;
          // Math.floor prevents floating point math errors here
          case 'millisecond': return Math.floor(days * 864e5) + milliseconds;
          default: throw new Error('Unknown unit ' + units);
        }
      }
    }
  
    // TODO: Use this.as('ms')?
    function duration_as__valueOf () {
      return (
        this._milliseconds +
        this._days * 864e5 +
        (this._months % 12) * 2592e6 +
        toInt(this._months / 12) * 31536e6
      );
    }
  
    function makeAs (alias) {
      return function () {
        return this.as(alias);
      };
    }
  
    var asMilliseconds = makeAs('ms');
    var asSeconds      = makeAs('s');
    var asMinutes      = makeAs('m');
    var asHours        = makeAs('h');
    var asDays         = makeAs('d');
    var asWeeks        = makeAs('w');
    var asMonths       = makeAs('M');
    var asYears        = makeAs('y');
  
    function duration_get__get (units) {
      units = normalizeUnits(units);
      return this[units + 's']();
    }
  
    function makeGetter(name) {
      return function () {
        return this._data[name];
      };
    }
  
    var milliseconds = makeGetter('milliseconds');
    var seconds      = makeGetter('seconds');
    var minutes      = makeGetter('minutes');
    var hours        = makeGetter('hours');
    var days         = makeGetter('days');
    var months       = makeGetter('months');
    var years        = makeGetter('years');
  
    function weeks () {
      return absFloor(this.days() / 7);
    }
  
    var round = Math.round;
    var thresholds = {
      s: 45,  // seconds to minute
      m: 45,  // minutes to hour
      h: 22,  // hours to day
      d: 26,  // days to month
      M: 11   // months to year
    };
  
    // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
    function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
      return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
    }
  
    function duration_humanize__relativeTime (posNegDuration, withoutSuffix, locale) {
      var duration = create__createDuration(posNegDuration).abs();
      var seconds  = round(duration.as('s'));
      var minutes  = round(duration.as('m'));
      var hours    = round(duration.as('h'));
      var days     = round(duration.as('d'));
      var months   = round(duration.as('M'));
      var years    = round(duration.as('y'));
  
      var a = seconds < thresholds.s && ['s', seconds]  ||
        minutes <= 1           && ['m']           ||
        minutes < thresholds.m && ['mm', minutes] ||
        hours   <= 1           && ['h']           ||
        hours   < thresholds.h && ['hh', hours]   ||
        days    <= 1           && ['d']           ||
        days    < thresholds.d && ['dd', days]    ||
        months  <= 1           && ['M']           ||
        months  < thresholds.M && ['MM', months]  ||
        years   <= 1           && ['y']           || ['yy', years];
  
      a[2] = withoutSuffix;
      a[3] = +posNegDuration > 0;
      a[4] = locale;
      return substituteTimeAgo.apply(null, a);
    }
  
    // This function allows you to set a threshold for relative time strings
    function duration_humanize__getSetRelativeTimeThreshold (threshold, limit) {
      if (thresholds[threshold] === undefined) {
        return false;
      }
      if (limit === undefined) {
        return thresholds[threshold];
      }
      thresholds[threshold] = limit;
      return true;
    }
  
    function humanize (withSuffix) {
      var locale = this.localeData();
      var output = duration_humanize__relativeTime(this, !withSuffix, locale);
  
      if (withSuffix) {
        output = locale.pastFuture(+this, output);
      }
  
      return locale.postformat(output);
    }
  
    var iso_string__abs = Math.abs;
  
    function iso_string__toISOString() {
      // for ISO strings we do not use the normal bubbling rules:
      //  * milliseconds bubble up until they become hours
      //  * days do not bubble at all
      //  * months bubble up until they become years
      // This is because there is no context-free conversion between hours and days
      // (think of clock changes)
      // and also not between days and months (28-31 days per month)
      var seconds = iso_string__abs(this._milliseconds) / 1000;
      var days         = iso_string__abs(this._days);
      var months       = iso_string__abs(this._months);
      var minutes, hours, years;
  
      // 3600 seconds -> 60 minutes -> 1 hour
      minutes           = absFloor(seconds / 60);
      hours             = absFloor(minutes / 60);
      seconds %= 60;
      minutes %= 60;
  
      // 12 months -> 1 year
      years  = absFloor(months / 12);
      months %= 12;
  
  
      // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
      var Y = years;
      var M = months;
      var D = days;
      var h = hours;
      var m = minutes;
      var s = seconds;
      var total = this.asSeconds();
  
      if (!total) {
        // this is the same as C#'s (Noda) and python (isodate)...
        // but not other JS (goog.date)
        return 'P0D';
      }
  
      return (total < 0 ? '-' : '') +
        'P' +
        (Y ? Y + 'Y' : '') +
        (M ? M + 'M' : '') +
        (D ? D + 'D' : '') +
        ((h || m || s) ? 'T' : '') +
        (h ? h + 'H' : '') +
        (m ? m + 'M' : '') +
        (s ? s + 'S' : '');
    }
  
    var duration_prototype__proto = Duration.prototype;
  
    duration_prototype__proto.abs            = duration_abs__abs;
    duration_prototype__proto.add            = duration_add_subtract__add;
    duration_prototype__proto.subtract       = duration_add_subtract__subtract;
    duration_prototype__proto.as             = as;
    duration_prototype__proto.asMilliseconds = asMilliseconds;
    duration_prototype__proto.asSeconds      = asSeconds;
    duration_prototype__proto.asMinutes      = asMinutes;
    duration_prototype__proto.asHours        = asHours;
    duration_prototype__proto.asDays         = asDays;
    duration_prototype__proto.asWeeks        = asWeeks;
    duration_prototype__proto.asMonths       = asMonths;
    duration_prototype__proto.asYears        = asYears;
    duration_prototype__proto.valueOf        = duration_as__valueOf;
    duration_prototype__proto._bubble        = bubble;
    duration_prototype__proto.get            = duration_get__get;
    duration_prototype__proto.milliseconds   = milliseconds;
    duration_prototype__proto.seconds        = seconds;
    duration_prototype__proto.minutes        = minutes;
    duration_prototype__proto.hours          = hours;
    duration_prototype__proto.days           = days;
    duration_prototype__proto.weeks          = weeks;
    duration_prototype__proto.months         = months;
    duration_prototype__proto.years          = years;
    duration_prototype__proto.humanize       = humanize;
    duration_prototype__proto.toISOString    = iso_string__toISOString;
    duration_prototype__proto.toString       = iso_string__toISOString;
    duration_prototype__proto.toJSON         = iso_string__toISOString;
    duration_prototype__proto.locale         = locale;
    duration_prototype__proto.localeData     = localeData;
  
    // Deprecations
    duration_prototype__proto.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', iso_string__toISOString);
    duration_prototype__proto.lang = lang;
  
    // Side effect imports
  
    // FORMATTING
  
    addFormatToken('X', 0, 0, 'unix');
    addFormatToken('x', 0, 0, 'valueOf');
  
    // PARSING
  
    addRegexToken('x', matchSigned);
    addRegexToken('X', matchTimestamp);
    addParseToken('X', function (input, array, config) {
      config._d = new Date(parseFloat(input, 10) * 1000);
    });
    addParseToken('x', function (input, array, config) {
      config._d = new Date(toInt(input));
    });
  
    // Side effect imports
  
  
    utils_hooks__hooks.version = '2.12.0';
  
    setHookCallback(local__createLocal);
  
    utils_hooks__hooks.fn                    = momentPrototype;
    utils_hooks__hooks.min                   = min;
    utils_hooks__hooks.max                   = max;
    utils_hooks__hooks.now                   = now;
    utils_hooks__hooks.utc                   = create_utc__createUTC;
    utils_hooks__hooks.unix                  = moment__createUnix;
    utils_hooks__hooks.months                = lists__listMonths;
    utils_hooks__hooks.isDate                = isDate;
    utils_hooks__hooks.locale                = locale_locales__getSetGlobalLocale;
    utils_hooks__hooks.invalid               = valid__createInvalid;
    utils_hooks__hooks.duration              = create__createDuration;
    utils_hooks__hooks.isMoment              = isMoment;
    utils_hooks__hooks.weekdays              = lists__listWeekdays;
    utils_hooks__hooks.parseZone             = moment__createInZone;
    utils_hooks__hooks.localeData            = locale_locales__getLocale;
    utils_hooks__hooks.isDuration            = isDuration;
    utils_hooks__hooks.monthsShort           = lists__listMonthsShort;
    utils_hooks__hooks.weekdaysMin           = lists__listWeekdaysMin;
    utils_hooks__hooks.defineLocale          = defineLocale;
    utils_hooks__hooks.updateLocale          = updateLocale;
    utils_hooks__hooks.locales               = locale_locales__listLocales;
    utils_hooks__hooks.weekdaysShort         = lists__listWeekdaysShort;
    utils_hooks__hooks.normalizeUnits        = normalizeUnits;
    utils_hooks__hooks.relativeTimeThreshold = duration_humanize__getSetRelativeTimeThreshold;
    utils_hooks__hooks.prototype             = momentPrototype;
  
    var _moment = utils_hooks__hooks;
  
    return _moment;
  
  }));
  