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
Notice: Hotfix Available for Morocco 2009 Daylight Saving Time
Morocco has announced the start of DST for 2009 on June 1st at midnight. The clock will move one...
Author: atsim1 Date: 05/27/2009
Notice: Now also available for Windows XP and Windows Server 2003: Optional Hotfix Available for Pakistan 2009 Daylight Saving Time
As reported in various publications, including Daily Times, Pakistan has announced the start of DST...
Author: atsim1 Date: 04/17/2009
Notice: Optional Hotfix Available for Pakistan 2009 Daylight Saving Time
As reported in various publications, including Daily Times, Pakistan has announced the start of DST...
Author: atsim1 Date: 04/13/2009
Microsoft Daylight Saving Time and Time Zone update now available (December 2008)
The most recent cumulative updates to daylight saving time (DST) and world time zones (TZ) are now...
Author: atsim1 Date: 01/29/2009
Daylight Saving Time and Time Zone update for Windows now available (December 2008)
The most recent cumulative updates to daylight saving time (DST) and world time zones (TZ) for...
Author: atsim1 Date: 01/05/2009
Daylight saving time ends this weekend, November 2, in much of North America (posted October 30, 2008)
Daylight saving time ends this weekend in much of North America. The US Energy Policy Act of 2005...
Author: atsim1 Date: 10/31/2008
Pakistan: Daylight saving time ends on November 1 at midnight
Daylight saving time ends this weekend in Pakistan. Late in August 2008, it was announced that...
Author: atsim1 Date: 10/31/2008
Windows Hotfix Available for Egypt 2008 Daylight Savings Time Change
The government of Egypt announced that, due to the observance of Ramadan, it has changed the end of...
Author: atsim1 Date: 10/02/2008
updateD: Hot Topics for Daylight Saving Time changes page
The 'Hot Topics for Daylight Saving Time changes' page at...
Author: atsim1 Date: 08/17/2008
Daylight Saving Time and Time Zone update for Windows now available (August 2008)
The most recent cumulative updates to daylight saving time (DST) and world time zones (TZ) for...
Author: atsim1 Date: 08/16/2008
Advisory: Changes to Daylight Saving Time in Morocco and Pakistan on June 1, 2008
Daylight Saving Time changes in Morocco and Pakistan (revised May 23, 2008) Microsoft has learned of...
Author: atsim1 Date: 05/26/2008
Chile announces an extension on their Daylight Saving Time for 2008
The government of Chile announced on February 7, 2008, that their current daylight saving time will...
Author: atsim1 Date: 03/08/2008
Daylight Saving Time Begins Sunday, March 9, in the US and Canada
[cross posted to blogs.msdn.com/mthree/archive/2008/03/07/dst-arrives-030708.aspx] Daylight...
Author: atsim1 Date: 03/08/2008
Windows Mobile: Preventing Devices from "Falling Back" Early
A recent update was posted to the Microsoft Daylight Saving Time & Time Zone hot topics page...
Author: atsim1 Date: 10/29/2007
SMS 2003, ITMU, and Windows DST Updates
Microsoft Windows operating systems KB933360 is the latest Windows Cumulative Time Zone Update...
Author: atsim1 Date: 10/26/2007
"TIME ZONE MOVE" and the outlook time zone data update tool
In the United States, 5 counties in Indiana will be moving from Central Standard Time to Eastern...
Author: atsim1 Date: 10/03/2007
Technical "Deep-Dive" LiveMeeting today on DST and Time Zones
Today we will host a Technical "Deep-Dive" Webcast... Monday, September 24, 2007 at 2:00pm Pacific...
Author: atsim1 Date: 09/24/2007
Questions Regarding /PHYSICALMOVE
In preparation for a potential time zone move, customers may use the Outlook Time Zone Data Update...
Author: atsim1 Date: 09/19/2007
DST VIDEOS NOW AVAILABLE!
Steve Justice (Senior Escalation Engineer) and Joel Schaeffer (Escalation Engineer) from Microsoft...
Author: atsim1 Date: 09/14/2007
Q: Updates to Microsoft Office 2004 for Mac 11.3.7 update and Entourage?
Q: I checked support.microsoft.com/gp/dst_prodlist#Ent and under Entourage it states to...
Author: atsim1 Date: 09/13/2007
Q: Updates to Exchange 2003 SP1 AND BES Blackberry server advice?
Q: We currently run Exchange 2003 SP1, and also have Blackberry server. Up to now our understanding...
Author: atsim1 Date: 09/13/2007
Q: Is there any reason not to use the /forcerebasesuppressallupdates switch with tzmove?
Q: Is there any reason not to recommend the use of the /forcerebasesuppressallupdates switch with...
Author: atsim1 Date: 09/13/2007
Q: What is the correct syntax when a rebasing a second calendar in a user's mailbox?
Q: I have had this question come in from a customer around rebasing of calendars: In the...
Author: atsim1 Date: 09/12/2007
Q: What steps are needed to install the Exchange Calendar Update tool version 2
Q: I’m attempting to install the new Exchange Calendar Update tool on a system that had the previous...
Author: atsim1 Date: 09/12/2007
Webcast on Sept 14: daylight saving time changes in 2007
Cross-posted from the the Exchange Team blog... I wanted to let you know that there is going to be a...
Author: atsim1 Date: 09/12/2007
Important Note on URLs and LINKS on this BLOG
Please note that this blog contains several historical posts related to the DST change that occurred...
Author: atsim1 Date: 09/06/2007
KB 932395 updated: Commerce Server 2002, Commerce Server 2007 for DST 2007
Please note that for Microsoft Commerce Server 2002 and Commerce Server 2007, KB article 932395 has...
Author: atsim1 Date: 08/21/2007
Will update KB 933360 be released for WSUS deployment and will it be classified as an Update Rollup?
Q: Will update KB 933360 be released for WSUS deployment and will it be classified as an Update...
Author: atsim1 Date: 08/18/2007
August 2007 cumulative time zone update for Microsoft Windows operating systems now available
Please note: If you referenced the February 2007 cumulative time zone update for Microsoft Windows...
Author: atsim1 Date: 08/13/2007
A previously cancelled Outlook meeting re-appears, and one hour off
Q: Can anyone explain the re-appearance of a cancelled meeting with a start time one hour off the...
Author: atsim1 Date: 04/20/2007
Remember: April 1st is not this year's daylight saving time 'spring forward' date
If you did not apply the updates to your various PCs and devices as noted on our...
Author: atsim1 Date: 03/30/2007
Calendar appointments showing 1 hour later on recipients' calendar appointments
Symptom: Any calendaring client may show 1 hour later on a recipients' calendar appointment...
Author: atsim1 Date: 03/12/2007
Time Zones not updating on Windows 2003, Windows XP or Windows 2000
After applying 931836 time zone changes don’t take effect until you manually change the time zone...
Author: atsim1 Date: 03/11/2007