I need to display only time labels on xAxis. I'm using Highcharts and don't fully understand how to do it. On xAxis there should be time labels in format like 21:00. I do not need dates, only time is needed. In addition, the difference between two labels should be 00:30 (half an hour) or 01:30 and it should be zoomable. My PHP script writes some value in database every half an hour and I need to display it on a graph. Sorry for my poor English, I'm Russian. Any help would be appreciated :)
In xAxis of your chart you need to provide tickinterval
and dateTimeLabelFormats
. Following code gives the tick interval of 1.5 hours. You can change that to any number of hours you want by replacing 1.5 in tickInterval: 1.5 * 3600 * 1000,
xAxis: {
type: 'datetime',
//Sets tickInterval to 24 * 3600 * 1000 if display is by day
tickInterval: 1.5 * 3600 * 1000,
dateTimeLabelFormats : {
day: '%H:%M'
}
}
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