DaysInMonth Method

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Returns the number of days in the specified month and year.

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

public static int DaysInMonth(
	int year,
	int month


Type: System..::..Int32
The year.
Type: System..::..Int32
The month (a number ranging from 1 to 12).

Return Value

Type: System..::..Int32
The number of days in month for the specified year.
For example, if month equals 2 for February, the return value is 28 or 29 depending upon whether year is a leap year.

The DaysInMonth method always interprets month and year as the month and year of the Gregorian calendar even if the Gregorian calendar is not the current culture's current calendar. To get the number of days in a specified month of a particular calendar, call that calendar's GetDaysInMonth method.