Microsoft Daylight Saving Time & Time Zone Blog

This is the blog maintained by staff at Microsoft to provide general information, announcements and provide answers to Frequently Asked Questions (FAQs) related to daylight saving time (DST) and time zone (TZ) changes around the world. * Important Notice

Important Note on URLs and LINKS on this BLOG

Important Note on URLs and LINKS on this BLOG

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Please note that this blog contains several historical posts related to the DST change that occurred in early 2007. As such, a number of links to Microsoft Knowledge Base articles and product updates referenced in posts on this blog have been updated since the information was first posted. We recommend that you visit the Daylight Saving Time Help and Support Center site at http://www.microsoft.com/dst2007/ for the latest details.

You will find a summary of the latest and updated list of Microsoft products affected by daylight saving time at http://support.microsoft.com/gp/dst_prodlist.

Of particular note:

August 2007 cumulative time zone update for Microsoft Windows operating systems - As noted, this update supersedes and replaces update KB931836, released in January 2007. This update also includes additional time zone changes that were signed in to law after update KB931836 was created.

How to address the daylight saving time changes in 2007 by using the Time Zone Data Update Tool for Microsoft Office Outlook, with a link to the latest version of the Microsoft Outlook Time Zone Data Update Tool.

Windows Mobile Daylight Saving Time Information, with a link to KB 923953, "How to configure daylight saving time for the United States and Canada in 2007 and in subsequent years on Windows Mobile-based devices"

Windows SharePoint Services 3.0

  • Download Update for Windows SharePoint Services 3.0
  • KB 888253 How to configure time zone information in Windows SharePoint Services by modifying the Timezone.xml file
  • KB 941422 Description of the Windows SharePoint Services 3.0 hotfix package: August 24, 2007

Windows SharePoint Services 2.0

  • Download Update for Windows SharePoint Services 2.0
  • KB 888253 How to configure time zone information in Windows SharePoint Services by modifying the Timezone.xml file
  • KB 933738 An update is available that addresses an issue in which items that use the Date field and the Time field are off by one hour in Windows SharePoint Services
  • KB 933853 How to manually update the TIMEZONE.XML file to be DST 2007-compliant if you cannot install update 924881 or a later update for Windows SharePoint Services software
  • KB 941412 Description of the Windows SharePoint Services 2.0 hotfix package: August 23, 2007

SQL Server 2005 Notification Services, with a link to KB 931815, "Update instructions for SQL Server 2005 Notification Services"

Comments
  • It looks like there are another batch of DST updates coming out of Redmond for some upcoming DST changes. Go here to get the latest information on the updates. Thankfully, it looks like this round of changes will not affect as much people as the orig