After applying 931836 time zone changes don’t take effect until you manually change the time zone Symptom: We have isolated reports that Windows 2000, XP, and 2003 may find that their Windows clocks do not move forward for DST, even with fixes applied...

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 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...

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...

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...

In the United States, 5 counties in Indiana will be moving from Central Standard Time to Eastern Standard Time on November 4, 2007.  The counties are Daviess, Dubois, Knox, Martin and Pike.  See the following links for more information: http...

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...

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...

(cross posted from this blog entry ) This past week, the government of Argentina approved a new change to their observance of daylight saving time in the country effective this Sunday, December 30, 2007 at 12:00am to March 16th, 12:00 for Argentina...

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...

Symptom : Any calendaring client may show 1 hour later on a recipients' calendar appointment (Outlook, OWA, Blackberry or Goode devices etc.). The recipient will appear to not follow DST2007 rules. This is true even with OS patches are successfully applied...

Q: Is there a list of the time zones [and daylight saving time / summer time ] changes in Windows?" A: yes, there is a list of all changes included in KB article 933360 , "August 2007 cumulative time zone update for Microsoft Windows operating systems...

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...

Background – Iraq Daylight Saving Time changes for 2008 Microsoft has learned of a change to the observance of Daylight Saving Time (DST) in Iraq that could impact customers using the Baghdad time zone which is also called the Arabic time zone (GMT +03...

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. ...

What is a resource mailbox ? · A resource mailbox is a mailbox that represents conference rooms and company equipment. Resource mailboxes can be included as resources in meeting requests, providing a simple and efficient way to manage the scheduling...

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...

DST 2007: Unable find mailbox timezone:Error 0x80004005 This article deals with understanding and troubleshooting the famous " Unable find mailbox timezone:Error 0x800004005 " while extracting time zone information from users during the extraction...

Guidance for mauritius on upcoming daylight saving time implementation for 2008 2009...

Executive Summary: Applications using historical data from 2006 (or any previous years) can have invalid results. Microsoft is currently working to provide support for vendors and software developers for their applications, if the application does...

Q: My machines are missing entries for specific time zones from the registry. What do I do? A: When a machine is in the state of missing a time zone key the installation of 931836 will result in the missing key structure being restored, but not the...

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...

Once again, as has happened in the past, a couple of countries will see new changes to their observation of Daylight Saving Time (DST) , this time in Egypt and Western Australia. A new Microsoft Knowledge Base article is up – KB 974176 – noting the...

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...