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DateTime::Subtraction Operator (DateTime, TimeSpan)

.NET Framework (current version)
 
equivalentCodeEntityM:System.DateTime.Subtract(System.DateTime)

Subtracts a specified time interval from a specified date and time and returns a new date and time.

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

C#
C++
F#
VB
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public:
static DateTime operator -(
	DateTime d,
	TimeSpan t
)

Parameters

d
Type: System::DateTime

The date and time value to subtract from.

t
Type: System::TimeSpan

The time interval to subtract.

Return Value

Type: System::DateTime

An object whose value is the value of d minus the value of t.

Exception Condition
ArgumentOutOfRangeException

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

This method subtracts the ticks value of t from the ticks value of d.

The following example demonstrates the Subtract method and the subtraction operator.

C#
C++
VB
Copy 
System::DateTime date1 = System::DateTime( 1996, 6, 3, 22, 15, 0 );
System::DateTime date2 = System::DateTime( 1996, 12, 6, 13, 2, 0 );
System::DateTime date3 = System::DateTime( 1996, 10, 12, 8, 42, 0 );

// diff1 gets 185 days, 14 hours, and 47 minutes.
System::TimeSpan diff1 = date2.Subtract( date1 );

// date4 gets 4/9/1996 5:55:00 PM.
System::DateTime date4 = date3.Subtract( diff1 );

// diff2 gets 55 days 4 hours and 20 minutes.
System::TimeSpan diff2 = date2 - date3;

// date5 gets 4/9/1996 5:55:00 PM.
System::DateTime date5 = date1 - diff2;

Universal Windows Platform
Available since 8
.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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