Поменять дату по нажатию на button

 var interval = 3600 * 1000 ; 
    var YY = 2014 ; 
    var MM = 1 ;  // 0-11 
    var DD = 5 ;  // 1-31 
    
    var chart11 = new Highcharts.StockChart({ 
        chart: { 
        backgroundColor: '#ffffff',     
    shadow: { 
            color: 'rgba(0, 0, 0, 0.08)', 
            offsetX: 5, 
            offsetY: 5, 
            opacity: '0.5', 
            width: 10 
        },         
    renderTo: "chart1",           
    type: "spline" 
  }, 
    rangeSelector: {buttons: [{type: 'day',count: 1,text: 'Д'}, {type: 'week',count: 1,text: 'Н'}, {type: 'month',count: 1,text: 'М'}, {type: 'year',count: 1,text: 'Г'}],buttonTheme: { 
                visibility: 'hidden' 
            },}, 
    rangeSelectorTo :{enabled: false,}    , 
 
    time: { 
         
        useUTC: true},   
    title: { 
    style:{"fontSize": "27px"} , 
    text: "AG-4" 
           },     
    subtitle: {text: ''}, 
    xAxis: {   
    //allowDecimals: false,     
    //tickInterval: 1 * 3600 * 1000,   
    tickInterval: 3600 * 1000*24*30,     
    type: 'datetime',    
    max: Date.UTC(2020, 0, 1),     
    dateTimeLabelFormats: {  
    hour: '%H:%M', 
    day: '%e. %b', 
    week: '%e. %b', 
    month: '%b \'%y', 
    year: '%Y',     
    //format: '{x:%H:%M}',     
    //day: '%b %e', 
    //week: '%b %e'  
       },  
          }, 
    yAxis: { 
     "fontSize": '21px', 
                offset: 45, 
                color: '#c9c7c7', 
                //min: 0, 
                //max: 100, 
                //tickInterval: 20, 
                labels: { 
                formatter: function () {return (this.value > 0 ? '' : '') + this.value + '%';}, 
                style: {fontSize: '14px',fontFamily: 'Verdana, sans-serif',fontWeight: 'bold',}         
                       }, 
                title: {text: ''} 
            }, 
         
      exporting: {enabled: true,buttons: {contextButton: {menuItems: ['downloadCSV', 'downloadXLS']}}}, 
      credits: {enabled: false}, 
      tooltip: { 
        shared: true, 
        useHTML: true, 
        headerFormat: '<small>{point.key}</small><table>', 
        pointFormat: '<tr><td style="color: {series.color}">{series.name}: </td>' + 
            '<td style="text-align: right"><b>{point.y} %</b></td></tr>', 
        footerFormat: '</table>', 
        valueDecimals: 2 
            }, 
  legend: {enabled: true}, 
  plotOptions: { 
      series:{ 
          useUTC: true, 
          pointStart:Date.UTC(YY,MM,DD), 
          pointInterval: interval 
          //tickInterval: 24 * 3600 * 1000 , 
          //pointEnd: Date.UTC (2018, 1, 10), 
      }, 
     
       
    area: { 
      connectNulls: false, 
      stacking: "normal", 
      lineColor: "#666666", 
      lineWidth: 1, 
      marker: { 
        lineWidth: 1, 
        lineColor: "#666666" 
      } 
    } 
  }, 
  series: [ 
    {color: 'rgba(172,199,255,255)', name: "-10",dataGrouping: {enabled: true}, 
      data: [34, 21, 20, 20, 19,34, 21, 20, 20, 19,43,87]  }, 
    {color: 'rgba(188,255,218,255)', name: "10-12,5",dataGrouping: {enabled: true}, 
      data: [80, 30, 10, 45, 77,80, 30, 10, 45, 77,23,77] }, 
    {color: 'rgba(200,240,255,255)', name: "12,5-14",dataGrouping: {enabled: true}, 
      data: [12, 34, 89, 55, 23,12, 34, 89, 55, 23,54,98] }, 
    {color: 'rgba(255,191,191,255)', name: "14-18",dataGrouping: {enabled: true}, 
      data: [88, 12, 56, 94, 22,88, 12, 56, 94, 22,34,34] }, 
    {color: 'rgba(227,208,241,255)', name: "+18",dataGrouping: {enabled: true}, 
     data: [10, 30, 28, 40, 299,10, 30, 28, 40, 299,44,54] }, 
  ], 
         
    },); 
     
    $('#button').click(function() { 
      
    var YY = 2015 ; 
    var MM = 1 ;  // 0-11 
    var DD = 10 ;  // 1-31 
    alert ('132'); 
 
    chart11.series[0].setData([50, 50, 20, 20, 50,50, 20, 20, 20, 50,50,50],true); 
    chart11.series[0].apply(this.pointStart[Date.UTC(2015,1,1)]);  
     
    
     
  
         
    });

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> 
<script src="https://cdnjs.cloudflare.com/ajax/libs/proj4js/2.3.15/proj4.js"></script> 
<script src="https://code.highcharts.com/highcharts.js"></script> 
<script src="https://code.highcharts.com/maps/modules/map.js"></script> 
<script src="https://code.highcharts.com/maps/modules/exporting.js"></script> 
<script src="https://code.highcharts.com/mapdata/countries/us/us-all.js"></script> 
 <div id="chart1" style="height: 500px; width: 1400px;margin-top: 100px"> 
 <button id="button" style="position:absolute;left: 1400px;top:180px;z-index: 99999">дата</button>