startTime
The date and time when you want the first interval to start. Be sure to choose a time that configures the intervals the way that you want. For example, if you want weekly intervals starting on Mondays at 6 a.m., be sure to specify a start time that is a Monday at 6 a.m.
When used in a raw HTTP Query API, it is formatted as be epoch time in seconds. For example: 1698778057
As soon as one calendar interval ends, another automatically begins.