title: HIghchart show current month data with week interval
body: <p>I am using the highchart line graph to show the current month data in weekly interval.
  But the chart lines not displayed
  Here is my code:</p>
  
  <pre><code>    $(function () {
      $('#container').highcharts({
          chart: {
              type: 'line'
          },
          title: {
              text: 'Monthly Average Rainfall'
          },
          subtitle: {
              text: 'Source: WorldClimate.com'
          },
          xAxis: {
              type: 'datetime',
               min : Date.UTC(2015, 8, 1),
               max: Date.UTC(2015, 8, 30),
              dateTimeLabelFormats: {
                  second: '%H:%M:%S',
                  minute: '%H:%M',
                  hour: '%H:%M',
                  day: '%e. %b',
                  week: '%e. %b',
                  month: '%b \'%y',
                  year: '%Y'
              },
              tickInterval: 7 * 24 * 3600 * 1000 // interval of 1 day
          },
           yAxis: [{ // left y axis
          title: {
              text: null
          },
          labels: {
              align: 'left',
              x: 3,
              y: 16,
              format: '{value:.,0f}'
          },
          showFirstLabel: false
      }, { // right y axis
          linkedTo: 0,
          gridLineWidth: 0,
          opposite: true,
          title: {
              text: null
          },
          labels: {
              align: 'right',
              x: -3,
              y: 16,
              format: '{value:.,0f}'
          },
          showFirstLabel: false
      }],
          tooltip: {
              headerFormat: '&lt;span style="font-size:10px"&gt;{point.key}&lt;/span&gt;&lt;table&gt;',
              pointFormat: '&lt;tr&gt;&lt;td style="color:{series.color};padding:0"&gt;{series.name}: &lt;/td&gt;' +
                  '&lt;td style="padding:0"&gt;&lt;b&gt;{point.y:.1f} mm&lt;/b&gt;&lt;/td&gt;&lt;/tr&gt;',
              footerFormat: '&lt;/table&gt;',
              shared: true,
              useHTML: true
          },
         legend: {
          align: 'left',
          verticalAlign: 'top',
          borderWidth: 0
      }, 
  
          /* plotOptions: {
              column: {
                  pointPadding: 0,
                  borderWidth: 0,
                  groupPadding: 0.1,
                  //pointStart: Date.UTC(2015, 1, 12) // feb 12, 2015
              }
          }, */
  
           plotOptions: {
          series: {
              cursor: 'pointer',
              point: {
                  events: {
                      click: function (e) {
                          hs.htmlExpand(null, {
                              pageOrigin: {
                                  x: e.pageX || e.clientX,
                                  y: e.pageY || e.clientY
                              },
                              headingText: this.series.name,
                              maincontentText: Highcharts.dateFormat('%A, %b %e, %Y', this.x) + ':&lt;br/&gt; ' +
                                  this.y + ' sessions',
                              width: 200
                          });
                      }
                  }
              },
              marker: {
                  lineWidth: 1
              }
          }
      },
  
          series: [{
              name: 'Tokyo',
              data: [49.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4],
              pointStart: Date.UTC(2015, 1, 12),
              pointInterval: 7 * 24 * 3600 * 1000 // interval of 1 day
  
          },
          {
              name: 'New York',
              data: [83.6, 78.8, 98.5, 93.4, 106.0, 84.5, 105.0, 104.3, 91.2, 83.5, 106.6, 92.3],
              pointStart: Date.UTC(2015, 1, 12),
              pointInterval: 7 * 24 * 3600 * 1000 // interval of 1 day
  
          }, {
              name: 'London',
              data: [48.9, 38.8, 39.3, 41.4, 47.0, 48.3, 59.0, 59.6, 52.4, 65.2, 59.3, 51.2],
              pointStart: Date.UTC(2015, 1, 12),
              pointInterval: 7 * 24 * 3600 * 1000 // interval of 1 day
          }, {
              name: 'Berlin',
              data: [42.4, 33.2, 34.5, 39.7, 52.6, 75.5, 57.4, 60.4, 47.6, 39.1, 46.8, 51.1],
              pointStart: Date.UTC(2015, 1, 12),
              pointInterval: 7 * 24 * 3600 * 1000 // interval of 1 day
          } 
  ]
      });
  });
  </code></pre>
  
  <p>Can any one please suggest any solution to show the points in line chart for current month with week interval. I need the week interval like this highchart example <a href="https://www.highcharts.com/demo/line-ajax" rel="nofollow noreferrer">https://www.highcharts.com/demo/line-ajax</a>.</p>