The most recent cumulative updates to daylight saving time (DST) and world time zones (TZ) are now available for supported versions of the following products. For the latest DST updates on each of these products, please visit the following Microsoft Web site:
Microsoft Daylight Saving Time Support page
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The cumulative updates can be downloaded as indicated in the same Web page.
Microsoft product teams follow a semi-annual DST and TZ update schedule, which follows the Windows regular schedule for publishing newly legislated DST rules and time zone updates. These annual "Cumulative Daylight Saving Time and Time Zone Updates" will be released in December for the coming calendar year; a semi-annual update will be released in July/August, as needed. Microsoft products that are affected may also schedule updates to accommodate some of these changes.
For more information about all the DST and TZ updates that have been made to date, visit the following Microsoft Web site:
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How to configure daylight saving time for Microsoft Windows operating systems
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More details are available at http://support.microsoft.com/gp/dst_hottopics .
