.NET Framework Class Library
DateTime..::.IsDaylightSavingTime Method

Indicates whether this instance of DateTime is within the Daylight Saving Time range for the current time zone.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)
Syntax
Visual Basic (Declaration) 
Public Function IsDaylightSavingTime As Boolean
Visual Basic (Usage) 
Dim instance As DateTime
Dim returnValue As Boolean

returnValue = instance.IsDaylightSavingTime()
C# 
public bool IsDaylightSavingTime()
Visual C++ 
public:
bool IsDaylightSavingTime()
JScript 
public function IsDaylightSavingTime() : boolean

Return Value

Type: System..::.Boolean
true if Kind is Local or Unspecified and the value of this instance of DateTime is within the Daylight Saving Time range for the current time zone. false if Kind is Utc.
Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0

.NET Compact Framework

Supported in: 3.5, 2.0

XNA Framework

Supported in: 3.0, 2.0, 1.0
See Also

Reference

DateTime Structure
DateTime Members
System Namespace
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