ADD_HOUR( )
Adds a specified number of hours to a date value.
Syntax
ADD_HOUR(date, hoursToAdd)
Arguments
date
The date or date expression representing the start date. If a start date does not have a time value, the function assumes the time is midnight, 12:00 AM.
hoursToAdd
The number of hours to add to the start date. If you specify a negative number, the result is as if the number is subtracted from the start date.
Returns
The date‑and‑time value that results from adding the specified number of hours to the start date.
Example
The following example adds eight hours to each date value in the ShipDate data field:
ADD_HOUR([ShipDate], 8)