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A Hotfix is a product update package with one or more updated product files that fix a specific product problem.

IMPORTANT NOTE

Please be aware this Hotfix has not gone through full Microsoft product regression testing nor has it been tested in combination with other Hotfixes.

Please carefully review the associated Hotfix KB article to verify the fix is the one needed and there are no known compatibility or installation issues. You may also want to contact a Microsoft Support Professional at http://support.microsoft.com

Issue Description


KB932298: FIX: Visual C++ .NET 2003 Service Pack 1 C runtime daylight saving time 2007 update for the TZ environment variable problem

SYMPTOMS
Starting in 2007, the start date and the end date for daylight saving time (DST) in the United States will change to comply with the Energy Policy Act of 2005. DST in the United States will start three weeks earlier than it has started in the past. DST in the United States will start at 2:00 A.M. on the second Sunday in March. Additionally, DST in the United States will end one week later than it has ended in the past. DST in the United States will end at 2:00 A.M. on the first Sunday in November. In 2007, DST in the United States will start on March 11, 2007, and will end on November 4, 2007.

In Microsoft Visual C++ .NET 2003, some C runtime (CRT) functions ignore the DST rules that are set in the operating system when the TZ environment variable is set. For example, the localtime function and the _localtime64 function identify the first Sunday in April as the start date for DST and the last Sunday in October as the end date for DST. Therefore, a Visual C++ .NET 2003 application that uses the TZ environment variable may not work as expected.

Additional Information about the issue resolved by this Hotfix can be found in its Knowledge Base article at http://support.microsoft.com/kb/946344

Additional Hotfixes
Search the list of all other publicly available Visual Studio and .NET Framework Hotfixes at http://archive.msdn.microsoft.com/Project/ProjectDirectory.aspx?TagName=Hotfix&ProjectSearchText=Hotfix*



Last edited Apr 9 2008 at 2:02 AM  by adadwal, version 3
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