A hotfix is available to update the Daylight Saving Time for the "(GMT) Casablanca" time zone for the year 2009 for Windows XP-based, Windows Server 2003-based, Windows Vista-based and Windows Server 2008-based computers

Morocco has announced the start of Daylight Savings Time (DST) for 2009 on June 1st at midnight. This hotfix updates the start and end of Daylight Savings Time (DST) for Morocco in 2009. The clock will move one hour forward at midnight between May 31st and June 1st, and then move one hour back at midnight between August 20th and August 21st in 2009. There was no DST for Morocco in 2009 prior to this update.
More specifically, this update sets DST for Morocco as follows:

• DST starts at 23:59:59 on May 31st, 2009
• DST ends at 23:59:59 on August 20th, 2009

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Important Notes:

• For more information about the December 2008 DST cumulative update 955839, click the following article number to view the article in the Microsoft Knowledge Base: -
  955839  (http://support.microsoft.com/kb/955839/ ) December 2008 cumulative time zone update for Microsoft Windows operating systems
• If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: -
  http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
• The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must be running one of the following operating systems: -

• Windows XP
• Windows Server 2003
• Windows Vista
• Windows Server 2008

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

Registry information

To use this hotfix, you do not have to make any changes to the registry.

File information

- The English version of this hotfix 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.

For all supported x86-based versions of Windows XP

For all supported x86-based versions of Windows Server 2003

For all supported x64-based versions of Windows Server 2003

For all supported Itanium-based versions of Windows Server 2003

For all supported x86-based versions of Windows Server 2008 and Windows Vista

For all supported x64-based versions of Windows Server 2008 and Windows Vista

For all supported Itanium-based versions of Windows Server 2008