Subtraction Operator (DateTime, DateTime)

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

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

public:
static TimeSpan operator -(
	DateTime d1, 
	DateTime d2
)

Parameters

d1
Type: System..::..DateTime
The date and time value to subtract from (the minuend).
d2
Type: System..::..DateTime
The date and time value to subtract (the subtrahend).

Return Value

Type: System..::..TimeSpan
The time interval between d1 and d2; that is, d1 minus d2.

The Subtraction(DateTime, DateTime) method does not consider the value of the Kind property of the two DateTime values when performing the subtraction. Before subtracting DateTime objects, ensure that the objects represent times in the same time zone. Otherwise, the result will include the difference between time zones.

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