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Last updated on: September 02, 2024
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Onetastic Macro Documentation > Functions > Date/Time Functions > DateTime_Subtract

DateTime_Subtract

Returns a new date/time value by subtracting the given time span from the given date/time value. It can also be used to subtract two date/time values to find the difference between them as a time span value.

Syntax

Mixed DateTime_Subtract(
	DateTime date, 
	Mixed dateOrTimespan)

Parameters

DateTime date
Date/time value to add to.
Mixed dateOrTimespan
Time span amount to subtract, or second date/time value to find the difference.

Examples

$now = DateTime_Now() // Find 3 hours earlier $threeHoursEarlier = DateTime_Subtract($now, TimeSpan(3, "hour")) // Find the difference between them $diff = DateTime_Subtract($now, $threeHoursEarlier) // $diff is 3 hours

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