Addition Operator
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DateTime.Addition Operator (DateTime, TimeSpan)

 
equivalentCodeEntityM:System.DateTime.Add(System.TimeSpan)

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.

Exception Condition
ArgumentOutOfRangeException

The resulting DateTime is less than MinValue or greater than MaxValue.

The following example demonstrates the addition operator.

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;

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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