[Solved]-How to place a chart not from the beginning of the X axis-Highcharts

Highstock charts have enabled ordinal options for xAxis by default, which causes inconvenience in your case. You can easily disable that option:

    xAxis: {
        ...,
        ordinal: false
    },

Live demo: https://jsfiddle.net/BlackLabel/x8f05ys3/

API Reference: https://api.highcharts.com/highstock/xAxis.ordinal