You can configure the chart according to your processes and needs in the “Main” tab in the settings of all related charts:
Standard intervals
The default value can be changed to one from the menu:
Custom date range
To find the Custom date option, scroll down the menu:
Intervals count
To find the Interval count option, scroll down the menu:
The chart will show the exact number of grouping intervals.
Applied to
Velocity charts:
Burnup charts: