[Solved]-Show TIME instead of DATE in Timeline Highcharts-Highcharts

you can adjust the date format in datalabels setting to show the time instead of date like this

   datalabels: {
     allowoverlap: false,
     format:
       '<span style="color:{point.color}">● </span><span style="font- 
       weight: bold;" > ' +
       "{point.x:%h:%m:%s}</span><br/>{point.label}"
   }

dateformat reference: https://api.highcharts.com/class-reference/highcharts.time#dateformat