TimeZone.IsDaylightSavingTime Method (DateTime, DaylightTime)

 

Returns a value indicating whether the specified date and time is within the specified daylight saving time period.

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

public static bool IsDaylightSavingTime(
	DateTime time,
	DaylightTime daylightTimes
)

Parameters

time
Type: System.DateTime

A date and time.

daylightTimes
Type: System.Globalization.DaylightTime

A daylight saving time period.

Return Value

Type: System.Boolean

true if time is in daylightTimes; otherwise, false.

Exception Condition
ArgumentNullException

daylightTimes is null.

The TimeZoneInfo.IsDaylightSavingTime method provides the same functionality as this overload of the IsDaylightSavingTime method. Whenever possible, use the TimeZoneInfo.IsDaylightSavingTime method.

.NET Framework
Available since 1.1
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