Microsoft KB Archive/245720

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INFO: Where the Time Zone Information Is Stored

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Q245720

The information in this article applies to:


 * Microsoft Windows Software Development Kit (SDK) 4.0

SUMMARY
If you are programmatically changing the time zone settings to another time zone, you need to access the time zone information (Bias, standardBias, daylightBias, and so on) for that particular time zone, in order to fill in the fields of the TIME_ZONE_INFORMATION structure for the SetTimeZoneInformation function.

The time zone information is stored at the following locations:

On Windows NT:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Time Zones

On Windows 9x:

HKEY_LOCAL_MACHINE\Software\\Microsoft\Windows\CurrentVersion\Time Zones

Additional query words:

Keywords : kbNLS kbSDKPlatform kbLocalization kbGrpDSIntl _IK

Issue type : kbinfo

Technology : kbWinNT400xsearch kbAudDeveloper kbSDKSearch kbWinSDKSearch kbWinSDK400