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...

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...

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...

The December 2012 DST Cumulative update for Windows operating systems has been published on Microsoft Download Center. It contains the following changes: Bahia Standard Time: Starting in 2012, Bahia Standard Time will no longer have DST. ...

The October 2012 DST Cumulative update for Windows operating systems has been published on Microsoft Download Center. This year’s October Update replaces the normal August Cumulative Update. It contains the following changes: E. Europe Standard...

As stated in the previous blog post , Microsoft has issued updates for Morocco introducing Daylight Saving Time in 2012 [ KB2698707 ]. Daylight time will be paused during the holy month of Ramadan. Due to the yearly fluctuation of the start and...

According to a recent law [ link ] passed by the government of Morocco, Morocco will follow DST each year from 2012. Microsoft is releasing a series of updates for Windows to address this change. You can find details of the updates, including order...

Disclaimer : The information in this document is written in response to an announcement by the government of Armenia about changes in the daylight saving time in Armenia for the year of 2012. The steps provided in this bulletin were created to mitigate...

The government of Chile has extended Daylight Saving Time for 2012 [ Official Decree ]. DST for mainland Chile now ends on April 28, 2012 and starts on September 1, 2012. A hotfix for Windows has been released to address this change. You can find...

The December 2011 DST Cumulative update for Windows operating systems has been published on Microsoft Download Center. It contains the following changes: Kaliningrad Standard Time: As previously announced in KB2625508 , Belarus has decided to discontinue...

The previous post calls out planned 2011 DST cancellations for Belarus, Ukraine and Armenia [ link ]. We have received reports that Armenia and Ukraine have canceled their proposed changes. According to reports in Rada and Kyivpost , Ukraine will not...

Ukraine , Belarus , and Armenia have decided to discontinue daylight saving time starting from 2011. These countries are mirroring Russia's changes by staying on "summer time" indefinitely and not falling back to "winter time" on October 30th 2011. Microsoft’s...

Update : The recorded webcast is now available on-demand here . Understanding and preparing for the 2011 Russian Daylight Savings Time Change September 15, 2011 10:00 am to 11:30 am Pacific Time Click here to calculate your...

The August 2011 DST Cumulative Update for Windows operating systems contains the following changes : NewFoundland : Newfoundland’s DST start and end times have been updated to 2AM from 12:01 AM. The rest of the Newfoundland time zone...

This hotfix contains three new changes in Windows Daylight Saving Time support : The government of Egypt decided to cancel Daylight Saving Time. This hotfix updates Windows (UTC +2:00) Cairo timezone so it no longer has DST support. ...

Notice : The government of Chile recently decided to extend 2011 Daylight Saving Time again. This impacts the (UTC -4:00) Santiago timezone Instead of ending the first Saturday in April, DST will now end the first Saturday in May. There is no...

The Turkish government has decided to change the DST schedule for 2011, pushing back the start-date from March 27 th to March 28 th . The existing timezone (UTC +2:00) Athens, Bucharest, Istanbul is shared with several countries who are not changing their...

The government of Chile revised their 2011 Daylight Saving Time schedule to defer the ending of DST by three weeks. Instead of ending on Saturday March 12 th , Daylight Saving Time will end on at 24:00:00 Saturday April 2 nd . Clocks should then fall...

The government of Fiji revised their 2011 Daylight Saving Time schedule so that it ends the first Sunday in March (March 6 2011), and not the last Sunday in March. More information can be found on http://Fiji.gov.fj Microsoft has implemented a hotfix...

The December 2010 DST Cumulative Update for Windows operating systems focuses on the following changes : Magadan : o A new timezone has been created for Magadan. The Magadan timezone has support for Daylight Saving Time, with 2011 DST running from...

The September Cumulative Update (CU) for DST contains three changes : For US Eastern Standard time (UTC -5:00, Indiana East), the CU adds DST support and updates history from 2006 through 2009 to reflect the change in which DST is applicable for the...

Morocco will observe daylight saving time in 2010. Microsoft has produced a hotfix to implement this change. If interested in downloading this hotfix, please refer to KB 982615 titled: "A hotfix is available to update the Daylight Saving Time for the...

As reported on the Associated Press of Pakistan the government of Pakistan has decided that Pakistan will not observe DST in the year 2010. The existing setting for the Pakistan time zone in Microsoft Windows already reflects no DST for 2010. The display...

The Ministry of Industry and Trade of Russia plans to make time zone changes in several regions so they won’t return to summer time this sping. The draft resolutions are posted at: http://www.minprom.gov.ru/docs/ce/42 http://www.minprom.gov.ru...

The "Syrian News Station" reported that the Council of Ministers has decided that Syria will postpone DST start to April 2nd, 2010 (midnight between Thursday and Friday). Microsoft Windows provides a way to prevent machines from switching into DST by...