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

February, 2013

  • 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...