AddHours(date, add_hours)

Category: Date and Time function

Description

This function adds add_hours number of hours to date. If add_hours is negative, the hours are subtracted.

Argument	Type	Description
date	Date or Number (date serial)	A expression representing a date. The date to add hours to.
add_hours	Number	The number of hours to be added to date, or subtracted if negative.

Return value type: Number (date serial value).

The date argument can take any value or expression that evaluates to a date serial value, with or without a time portion. Examples include:

A date string: #2019-12-12
A date serial value: 43811 (the date serial for "2019-12-12")
A date value created using any of the Date/Time functions that returns a date serial value.

addhours(#2019-12-12, 3)  //Returns 43811.125 (Equivalent to 2019-Dec-12 03:00:00.)

addhours(43811, 6)  //Returns 43811.25 (Equivalent to 2019-Dec-12 06:00:00.)

addhours(#2019-12-12, -12)  //Returns 43810.5 (Equivalent to 2019-Dec-11 12:00:00; subtract hours.)

addhours(43811.5, 6)  //Returns 43811.75 (The source date includes a time portion.)

addhours( date("2019-12-12","yyyy-MM-dd") , 3)  //Returns 43811.125 (Using the date function.)