Syntax
startOfDay('<timestamp>', '<format>'?)Examples
startOfDay('2026-10-23T13:30:30Z')'2026-10-23T00:00:00.0000000Z'
startOfDay
Returns midnight at the start of the timestamp’s day.
Returns midnight at the start of the timestamp’s day.
startOfDay('<timestamp>', '<format>'?)startOfDay('2026-10-23T13:30:30Z')'2026-10-23T00:00:00.0000000Z'