text: import { addFormatToken } from '../format/format';
  
  addFormatToken('z',  0, 0, 'zoneAbbr');
  addFormatToken('zz', 0, 0, 'zoneName');
  
  export function getZoneAbbr () {
      return this._isUTC ? 'UTC' : '';
  }
  
  export function getZoneName () {
      return this._isUTC ? 'Coordinated Universal Time' : '';
  }
  