每天在同一时间开始

start at the same hour every day

本文关键字：开始 同一时间 天在 每天      更新时间：2023-09-26

你好，在xAxis中，我需要函数getTime（）（例如）每天早上0点开始，也可以在早上6点开始，或者也可以在中午12点开始，还可以在下午18点开始

xAxis: { categories: ["+6","+9","+12","+15","+18","+21","+24","+27","+30","+33","+36","+39","+42","+45","+48","+51","+54","+57","+60","+63","+66","+69","+72","+75","+78","+81","+84","+87","+90","+93","+96","+99","+102","+105","+108","+111","+114","+117","+120","+123",+"126","+129","+132","+135","+138","+141","+144","+147","+150","+153","+156","+159","+162","+165","+168","+171","+174","+177","+180","+183","+186","+189","+192"],

+6始终在00:00、6:00至12:00和18:00开始

所以我需要知道函数getTime（）每天在特定的时间开始，用于四种不同的图形

感谢

示例：http://jsfiddle.net/JtMDj/2/

需要以这种方式设置pointStart和pointInterval：

var date = new Date();
date.setHours(12);
date.setMinutes(0);
date.setSeconds(0);
date.setMilliseconds(0);

var ts = Math.round(date / 1000);
var tsNoon = ts;
var chart = new Highcharts.Chart({
    chart: {
        renderTo: 'container'
    },
    xAxis: {
        type: 'datetime',
        dateTimeLabelFormats: {
            day: '%e of %b'
        }
    },
    series: [{
        data: [29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4],
        pointStart: tsNoon * 1000, // highcharts asks for miliseconds
        pointInterval: 24 * 3600 * 1000 // one day
    }]
});
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