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