Daylight Saving Time

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Networking

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The following information applies to 2007 and onward. This does not apply to previous years.

Contents

Daylight Saving Time Periods

The United States begins Daylight Saving Time (DST) at 2:00 a.m. on the second Sunday in March.
The United States reverts to Standard Time on the first Sunday in November.

Failure to not patch your computer operating system or applications for 2007 may result in your computer's clock continuing to be off every year during DST. You should patch even if you move to a time zone that is not affected.

Macintosh

Mac OS X
Use Automatic Updates or go to Apple > Software Update

Windows

Windows 2000 / Server
No automatic updates available, users must manually patch.

Windows 2003 Server
Use Automatic Updates or see http://update.microsoft.com

Windows XP
Use Automatic Updates of see http://update.microsoft.com

Linux

Linux RedHat
No automatic updates available, users must manually patch.

Applications

Outlook 2000 / Outlook 2003 / Outlook XP / Outlook 2007
No automatic updates available, users must manually patch.

Exchange 2000
No automatic updates available, users must manually patch.

Exchange 2003
Use Automatic Updates or see http://update.microsoft.com

Related Links:

 Daylight Saving Time (Wikipedia Article)
 When We Change Our Clocks (NIST Web Exhibit)