Highcharts预测图表中12月日期错误显示为11月的问题求助

我正在用Highcharts做一个预测图表，但发现第二个系列（Forecast）里所有标注为12月的日期，在图表上都显示成11月的日期了，实在搞不懂原因在哪。

下面是我的代码：

JavaScript 代码 #

Highcharts.chart("container", {
  chart: { backgroundColor: "#fbfcf8", type: "line", zoomType: "x" },
  title: { text: "", align: "center" },
  accessibility: { enabled: false },
  credits: { enabled: false },
  legend: { enabled: true, itemStyle: { color: "#000" } },
  rangeSelector: { enabled: false },
  navigator: { enabled: false },
  scrollbar: { enabled: false },
  xAxis: {
    tickInterval: 2,
    categories: [
      "Nov 3, 2024",
      "Nov 4, 2024",
      "Nov 5, 2024",
      "Nov 6, 2024",
      "Nov 7, 2024",
      "Nov 8, 2024",
      "Nov 9, 2024",
      "Nov 10, 2024",
      "Nov 11, 2024",
      "Nov 12, 2024",
      "Nov 13, 2024",
      "Nov 14, 2024",
      "Nov 15, 2024",
      "Nov 16, 2024",
      "Nov 17, 2024",
      "Nov 18, 2024",
      "Nov 19, 2024",
      "Nov 20, 2024",
      "Nov 21, 2024",
      "Nov 22, 2024",
      "Nov 23, 2024",
      "Nov 24, 2024",
      "Nov 25, 2024",
      "Nov 26, 2024",
      "Nov 27, 2024",
      "Nov 28, 2024",
      "Nov 29, 2024",
      "Nov 30, 2024",
      "Dec 1, 2024",
      "Dec 2, 2024",
      "Dec 3, 2024",
      "Dec 4, 2024",
      "Dec 5, 2024",
      "Dec 6, 2024",
      "Dec 7, 2024",
      "Dec 8, 2024",
      "Dec 9, 2024",
      "Dec 10, 2024",
      "Dec 11, 2024",
      "Dec 12, 2024",
      "Dec 13, 2024",
      "Dec 14, 2024",
      "Dec 15, 2024",
      "Dec 16, 2024",
      "Dec 17, 2024",
      "Dec 18, 2024",
    ],
    labels: { style: { color: "#000" } },
    lineColor: "#000",
    lineWidth: 3,
  },
  yAxis: {
    gridLineColor: "#fbfcf8",
    lineColor: "#000",
    lineWidth: 3,
    labels: { style: { color: "#000" } },
    title: { text: "" },
    opposite: false,
  },
  tooltip: {
    backgroundColor: "#fbfcf8",
    style: { color: "#000" },
    shared: true,
    useHTML: true,
  },
  plotOptions: {
    series: {
      stacking: "normal",
      marker: { enabled: false, states: { hover: { enabled: true } } },
    },
  },
  series: [
    {
      name: "Change In Subscribers",
      data: [
        { name: "Nov 4, 2024", y: 20810 },
        { name: "Nov 5, 2024", y: 22300 },
        { name: "Nov 11, 2024", y: 16110 },
        { name: "Nov 20, 2024", y: 3439 },
        { name: "Nov 13, 2024", y: 15320 },
        { name: "Nov 8, 2024", y: 0 },
        { name: "Nov 12, 2024", y: 5300 },
        { name: "Nov 10, 2024", y: 5100 },
        { name: "Nov 15, 2024", y: 1100 },
        { name: "Nov 3, 2024", y: 5110 },
        { name: "Nov 22, 2024", y: 0 },
        { name: "Nov 23, 2024", y: 310 },
        { name: "Nov 26, 2024", y: 45200 },
        { name: "Nov 19, 2024", y: 3260 },
        { name: "Nov 21, 2024", y: 29300 },
        { name: "Nov 28, 2024", y: 9530 },
        { name: "Dec 2, 2024", y: 28410 },
        { name: "Dec 1, 2024", y: 14700 },
        { name: "Nov 18, 2024", y: 7350 },
        { name: "Nov 7, 2024", y: 14410 },
        { name: "Nov 29, 2024", y: 0 },
        { name: "Nov 30, 2024", y: 3301 },
        { name: "Nov 25, 2024", y: 18540 },
        { name: "Nov 9, 2024", y: 11207 },
        { name: "Nov 16, 2024", y: 0 },
        { name: "Nov 6, 2024", y: 16220 },
        { name: "Nov 17, 2024", y: 17710 },
        { name: "Nov 14, 2024", y: 7420 },
        { name: "Nov 27, 2024", y: 16110 },
        { name: "Nov 24, 2024", y: 5510 },
        { name: "Dec 3, 2024", y: 0 },
      ],
      color: "#6B8E23",
      yAxis: 0,
    },
    {
      name: "Forecast",
      data: [
        { name: "Dec 4, 2024", y: 11534.55 },
        { name: "Dec 5, 2024", y: 11562.05 },
        { name: "Dec 6, 2024", y: 11589.55 },
        { name: "Dec 7, 2024", y: 11617.06 },
        { name: "Dec 8, 2024", y: 11644.56 },
        { name: "Dec 9, 2024", y: 11672.06 },
        { name: "Dec 10, 2024", y: 11699.56 },
        { name: "Dec 11, 2024", y: 11727.07 },
        { name: "Dec 12, 2024", y: 11754.57 },
        { name: "Dec 13, 2024", y: 11782.07 },
        { name: "Dec 14, 2024", y: 11809.58 },
        { name: "Dec 15, 2024", y: 11837.08 },
        { name: "Dec 16, 2024", y: 11864.58 },
        { name: "Dec 17, 2024", y: 11892.08 },
        { name: "Dec 18, 2024", y: 11919.59 },
      ],
      color: "red",
      dashStyle: "LongDash",
      lineWidth: 2,
    },
  ],
})

HTML 代码 #

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/highcharts-more.js"></script>
<script src="https://code.highcharts.com/modules/accessibility.js"></script>

<figure class="highcharts-figure">
    <div id="container"></div>
</figure>

有没有大佬能帮我看看，为什么我的12月日期会显示成11月啊？

备注：内容来源于stack exchange，提问作者nb_nb_nb