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Paul Liebrand’s Weblog - Does your SharePoint alerts have the wrong time…? - This article has some nice debugging tips.

Microsoft SharePoint Team Blog - Important hotfixes for upcoming Daylight Savings Time (DST) change - September 19, 2007

Microsoft Support - List of products affected by daylight saving time

Microsoft Support - Daylight Saving Time Help and Support Center

Microsoft KB 934525 - Description of the security update for Windows SharePoint Services 3.0: October 9, 2007

Microsoft KB 939809 - Description of the update that addresses the issue in Windows SharePoint Services 3.0 in which items that use the Date and Time fields are off by one hour

Microsoft KB 956612 - Description of an update for Windows SharePoint Services 3.0 that applies to daylight saving time (DST) changes