A February 2008 daylight saving time (DST) update is available for Microsoft Windows Mobile-based devices. This update changes the time zone data to accommodate DST changes in several countries, as summarized in this article.

This update is a cumulative update rollup that includes all the changes that were released in update 941898.

For more information, click the following article number to view the article in the Microsoft Knowledge Base: For more information about how DST changes may affect other Microsoft products, visit the following Microsoft Web site:

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New features in the February 2008 daylight saving time update

The following changes have been made since update 941898 was released.

•	Arabic Standard Time Adjusts DST start dates and end dates for the Baghdad time zone to reflect changes that have occurred since the earlier cumulative time zone update was created in August 2007.
•	Australia: Central Australia Standard Time, Australia Eastern Standard Time, Tasmania Standard Time Adjusts DST start times and end times for these time zones so that DST starts and ends on the same day. This adjustment was made after the earlier cumulative time zone update was created in August 2007.

The following table summarizes the new time zone changes in this update:

Registry subkey name	Display name	Daylight name	Standard name	DST start	DST end
Arabic Standard Time	(GMT+03:00) Baghdad	Arabic Daylight Time	Arabic Standard Time	First Tuesday in April at 03:00:00	First Wednesday in October at 04:00:00
Cen. Australia Standard Time	(GMT+09:30) Adelaide	Cen. Australia Daylight Time	Cen. Australia Standard Time	First Sunday in October at 02:00:00	First Sunday in April at 03:00:00
AUS Eastern Standard Time	(GMT+10:00) Canberra, Melbourne, Sydney	AUS Eastern Daylight Time	AUS Eastern Standard Time	First Sunday in October at 02:00:00	First Sunday in April at 03:00:00
Tasmania Standard Time	(GMT+10:00) Hobart	Tasmania Daylight Time	Tasmania Standard Time	First Sunday in October at 02:00:00	First Sunday in April at 03:00:00

The following table summarizes all the time-zone changes that are included in this update:

Registry subkey name	Display name	Daylight name	Standard name	DST start	DST end
Alaska Standard Time	(GMT-09:00) Alaska	Alaskan Daylight Time	Alaskan Standard Time	Second Sunday in March at 02:00:00	First Sunday in November at 02:00:00
Arabic Standard Time	(GMT+03:00) Baghdad	Arabic Daylight Time	Arabic Standard Time	First Tuesday in April at 03:00:00	First Wednesday in October at 04:00:00
Atlantic Standard Time	(GMT-04:00) Atlantic Time (Canada)	Atlantic Daylight Time	Atlantic Standard Time	Second Sunday in March at 02:00:00	First Sunday in November at 02:00:00
AUS Eastern Standard Time	(GMT+10:00) Canberra, Melbourne, Sydney	AUS Eastern Daylight Time	AUS Eastern Standard Time	First Sunday in October at 02:00:00	First Sunday in April at 03:00:00
Cen. Australia Standard Time	(GMT+09:30) Adelaide	Cen. Australia Daylight Time	Cen. Australia Standard Time	First Sunday in October at 02:00:00	First Sunday in April at 03:00:00
Central Standard Time	(GMT-06:00) Central Time (US & Canada)	Central Daylight Time	Central Standard Time	Second Sunday in March at 02:00:00	First Sunday in November at 02:00:00
Central Standard Time (Mexico)	(GMT-06:00) Guadalajara, Mexico City, Monterrey	Central Daylight Time (Mexico)	Central Standard Time (Mexico)	First Sunday in April at 02:00:00	Last Sunday in October at 02:00:00
Eastern Standard Time	(GMT-05:00) Eastern Time (US and Canada)	Eastern Daylight Time	Eastern Standard Time	Second Sunday in March at 02:00:00	First Sunday in November at 02:00:00
Mountain Standard Time	(GMT-07:00) Mountain Time (US and Canada)	Mountain Daylight Time	Mountain Standard Time	Second Sunday in March at 02:00:00	First Sunday in November at 02:00:00
Mountain Standard Time (Mexico)	(GMT-07:00) Chihuahua, La Paz, Mazatlan	Mountain Daylight Time (Mexico)	Mountain Standard Time (Mexico)	First Sunday in April at 02:00:00	Last Sunday in October at 02:00:00
New Zealand Standard Time	(GMT+12:00) Auckland, Wellington	New Zealand Daylight Time	New Zealand Standard Time	Last Sunday in September at 02:00:00	First Sunday in April at 03:00:00
Newfoundland Standard Time	(GMT-03:30) Newfoundland	Newfoundland Daylight Time	Newfoundland Standard Time	Second Sunday in March at 00:01:00	First Sunday in November at 00:01:00
Pacific Standard Time	(GMT-08:00) Pacific Time (US & Canada)	Pacific Daylight Time	Pacific Standard Time	Second Sunday in March at 02:00:00	First Sunday in November at 02:00:00
Pacific Standard Time (Mexico)	(GMT-08:00) Tijuana, Baja California	Pacific Daylight Time (Mexico)	Pacific Standard Time (Mexico)	First Sunday in April at 02:00:00	Last Sunday in October at 02:00:00
Tasmania Standard Time	(GMT+10:00) Hobart	Tasmania Daylight Time	Tasmania Standard Time	First Sunday in October at 02:00:00	First Sunday in April at 03:00:00
W. Australia Standard Time	(GMT+08:00) Perth	W. Australia Daylight Time	W. Australia Standard Time	Last Sunday in October at 02:00:00	Last Sunday in March at 03:00:00

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Update information

The following files are available for download from the Microsoft Download Center.

Microsoft Windows Mobile 5.0 and 6 (Pocket PC and Smartphone)

Download the WMDST2008-1.cab package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=0D6FC192-3142-4473-B435-B514E4B360A5&displaylang=en)

Microsoft Windows Mobile Installer, Desktop Tool

Download the Setup.msi package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=3BD7C55C-8AC1-4821-81FE-3F4ADA831FE0&displaylang=en)

How to apply the update

If you can connect the Windows Mobile-based device to a computer, follow these steps:

1.	Connect the device to the computer.
2.	Download and run the Setup.msi file, and then follow the instructions.

If you cannot connect the device to a computer, and an update file is available, there are alternative ways to install the update file. For example, follow these steps:

1.	Download the WMDST2008-1.cab file for the Windows Mobile-based device to a computer.
2.	Attach the update file to an e-mail message, and then send the e-mail message to an account that you can access from the device.
3.	On the device, open the e-mail message, and then save the attached file.
4.	Locate the file, and then apply the update.

Note After you apply the update, your device will automatically restart to complete the software update installation.

For more information about how to apply and to run the update file on a Windows Mobile-based device, visit the following Microsoft Windows Mobile Web site:

Installation notes

You can apply the daylight saving time update either on the device or on the storage card.

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Microsoft Windows Mobile 5.0 and 6, Pocket PC and Smartphone versions

File name	File version	File size	Date	Time
Wmdst2008-1.cab	Not Applicable	23,287	14-Feb-2008	22:07

Microsoft Windows Mobile Installer, Desktop Tool

File name	File version	File size	Date	Time
Setup.msi	Not Applicable	1,032,192	14-Feb-2008	22:07

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For more information about how to download this update for Windows Mobile-based devices, visit the following Microsoft Web site: Note This update is not included in a read-only memory (ROM) update. Therefore, if the device must be hard-reset, you must reapply this update.

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