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

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Related Posts
  • Blog Post: HOTFIX: Chile Extends 2013 DST

    The government of Chile has extended Daylight Saving Time for 2013 [ Official Decree ]. DST for mainland Chile now ends on April 27, 2013 and starts on September 7, 2013. A hotfix for Windows has been released to address this change. You can find details of the hotfix and download it here [ KB2821346...
  • Blog Post: NOTICE: Hotfix available for Israel and Libya time zone

    This hotfix contains three new changes in Windows Daylight Saving Time support: The government of Israel extended Daylight Saving Time to a period of 193 days. Starting 2013, DST in Israel will now begin on the Friday before the last Sunday in March, and it will end on the first Sunday after...
  • Blog Post: HOTFIX: Paraguay Shortens 2012-13 DST

    The government of Paraguay has Shortened Daylight Saving Time for 2012-13 [ Official Decree ]. DST for Paraguay now ends on March 23, 2013. A hotfix for Windows has been released to address this change. You can find details of the hotfix and download it here [ KB2829069 ]. Hotfixes are available for...