score:1

Accepted answer
  1. you need to change your data into the array of arrays, where nested array includes the x date format, something like:

[[ x date in miliseconds, y value]]

  1. you can use the pointstart & pointinterval features:

https://api.highcharts.com/highcharts/series.line.pointstart

https://api.highcharts.com/highcharts/series.line.pointinterval

  1. you can define wanted a array of categories that you want to display on the xaxis - just like is done in your example

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