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DateTime.Addition Operator

.NET Framework 4.5

Adds a specified time interval to a specified date and time, yielding a new date and time.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

public static DateTime operator +(
	DateTime d,
	TimeSpan t
)

Parameters

d: Type: System.DateTime
The date and time value to add.

t: Type: System.TimeSpan
The time interval to add.

Return Value

Type: System.DateTime
An object that is the sum of the values of d and t.

Exceptions

Exception	Condition
ArgumentOutOfRangeException	The resulting DateTime is less than MinValue or greater than MaxValue.

Examples

The following example demonstrates the addition operator.

C++

			System.DateTime dTime = new System.DateTime(1980, 8, 5);

			// tSpan is 17 days, 4 hours, 2 minutes and 1 second.
			System.TimeSpan tSpan 
				= new System.TimeSpan(17, 4, 2, 1); 

			// Result gets 8/22/1980 4:02:01 AM.
			System.DateTime result = dTime + tSpan;

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

Other Resources

Performing Arithmetic Operations with Dates and Times

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