Click to Rate and Give Feedback
MSDN
MSDN Library
.NET Development
.NET Framework 3.5
System Namespace
DateTime Structure
DateTime Methods
 IsDaylightSavingTime Method
This page is specific to
Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:
.NET Framework Class Library
DateTime..::.IsDaylightSavingTime Method

Updated: November 2007

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)

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()
J#
public boolean 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.

Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, 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

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.

.NET Framework

Supported in: 3.5, 3.0, 2.0

.NET Compact Framework

Supported in: 3.5, 2.0

XNA Framework

Supported in: 2.0, 1.0
Tags What's this?: Add a tag
Community Content   What is Community Content?
Add new content RSS  Annotations
Processing
© 2008 Microsoft Corporation. All rights reserved. Terms of Use  |  Trademarks  |  Privacy Statement
Page view tracker