Time not updating..

[lingarajkolaui]

    var myapp = angular.module('myapp', ["highcharts-ng"]);
    myapp.controller('myctrl', ['$scope', '$http', '$timeout', '$interval', '$window', '$document', function(s, h, t, i, w, d) {
        s.reftime = 600;
        var comptime = [];
        var klps = [];
        var ss = "2017";
        var ss1 = "09",ss2 = "19" ,ss3 = "08" ,ss4 = "31";
        s.chp = '';
        s.klps = '';
        s.saveData = function(chdata, pointinterval, comptime) {
            s.chp = s.comptime.substr(0, s.comptime.indexOf(' ')).split("-");  //2017-09-19 19:58
            s.klps = s.comptime.substr(s.comptime.indexOf(' ') + 1).split(":");
            s.chdata = chdata;
            s.pointerval = pointinterval;
            s.comptime = comptime;
            ss = s.chp[0],ss1 = s.chp[1],ss2 = s.chp[2],ss3 = s.klps[0],ss4 = s.klps[1];
            //s.myss = Date.UTC(s.chp[0], s.chp[1], s.chp[2], s.klps[0], s.klps[1])  
            s.chartConfig.series = s.chdata;
            //s.myss = Date.UTC(s.chp[0], s.chp[1], s.chp[2], s.klps[0], s.klps[1]) 
            s.datutc = Date.UTC(ss,ss1,ss2,ss3,ss4);
            console.log(s.datutc)
            return s;
        }
        s.jsonUrl = 'js/realtime_users.json';
        s.chdata = [];
        s.getData = function() {
            h.get(s.jsonUrl).then(function(response) {
                s.userdata = response.data;
                console.log(s.userdata)
                angular.forEach(s.userdata[domainoption], function(value, key) {
                    s.comptime = value.time[0];
                    s.pointerval = value.time[0];
                    s.chdata.push({
                        name: value.name,
                        data: value.data
                    })
                });
                //console.log(s.chdata + '-----------------------' + s.comptime);
                s.saveData(s.chdata, s.pointerval, s.comptime)
            });
        }
        s.getData();

        //var chpoint = s.comptime;
        //var chp = chpp.substr(0,chpp.indexOf(' ')).split("-");
        //var klps = chpp.substr(chpp.indexOf(' ')+1).split(":"); 

        s.chartConfig = {
            option:{
              chart: {
                height: 500,
                width: 1100,
                type: 'line'
                }
            },
            title: {
                text: ''
            },

            subtitle: {
                enabled: false,
                text: '',
                align: 'left'
            },
            xAxis: {
                type: 'datetime'
            },
            yAxis: {
                title: {
                    text: 'Number of Users'
                }
            },
            plotOptions: {
                series: {
                    events: {
                        legendItemClick: function(event) {

                        }
                    },
                    pointStart: console.log(s.datutc),
                    pointInterval: (1 * 3600 * 1000) / 60
                }
            },
            series: s.chdata,
            title: {
                text: 'Hello'
            }
        }
        s.reflow = function() {
            s.$broadcast('highchartsng.reflow');
        };