SecondsAfter

Gets the number of seconds one time occurs after another.

SecondsAfter ( time1, time2 )

Argument	Description
time1	A time value that is the start time of the interval being measured
time2	A time value that is the end time of the interval

Long. Returns the number of seconds time2 occurs after time1. If time2 occurs before time1, SecondsAfter returns a negative number.

This expression returns 15:

SecondsAfter(21:15:30, 21:15:45)

This expression returns -15:

SecondsAfter(21:15:45, 21:15:30)

This expression returns 0:

SecondsAfter(21:15:45, 21:15:45)