Project.Application.DateDifference.md

title	keywords	f1_keywords	ms.service	api_name	ms.assetid	ms.date	ms.localizationpriority
Application.DateDifference method (Project)	vbapj.chm131207	vbapj.chm131207	project-server	Project.Application.DateDifference	7f34e866-5cd3-971d-42ee-39e7768c1273	06/08/2017	medium

Application.DateDifference method (Project)

Returns the duration between two dates in minutes, for an automatically scheduled task.

Syntax

expression. DateDifference( _StartDate_, _FinishDate_, _Calendar_ )

expression A variable that represents an Application object.

Parameters

Name	Required/Optional	Data type	Description
StartDate	Required	Variant	The date used as the beginning of the duration.
FinishDate	Required	Variant	The date used as the end of the duration.
Calendar	Optional	Object	A resource or task base calendar object. The default value is the calendar of the active project.

Return value

Long

Remarks

To get a difference between two dates for a manually scheduled task, which uses an effective calendar that can include non-working time, use the EffectiveDateDifference property.

Example

The following example displays the duration of a task that begins on 7/11/97 at 8 A.M. and ends on 7/13/97 at 5:00 P.M.

Sub FindDuration() 
 MsgBox Application.DateDifference ("7/11/97 8:00 AM", "7/13/97 5:00 PM") 
End Sub

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