JMU - DST

Daylight Savings Time

M E N U
Extended Daylight Saving Time
Scheduling Meetings & Oracle Calendar
Windows Computers
Macintosh Computers
Mobile Devices
Additional Information

Extended Daylight Savings Time begins 2007

The Energy Policy Act, passed by the U.S. Congress in 2005, changed the start and end dates of Daylight Savings Time (DST). In 2007, DST started three weeks earlier (on March 11, 2007) and ended one week later (on November 4, 2007). The time between the new DST dates and the original DST dates is referred to as Extended DST.

Different computer applications are affected by the DST change in different ways, but the most common problem occurs in calendaring applications like Outlook.

JMU IT recommends individuals install the correct update based on the operating system version on their computer.

If you have any questions about Extended DST, please contact the JMU Computing HelpDesk.

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Scheduling Meetings & Oracle Calendar

During Extended DST, it's important to give extra attention to scheduled meetings and appointments. Even if your software is correct, others who don’t have the updates can affect your schedule. Therefore, you should view any appointments that fall into these date ranges as suspect until you communicate with all meeting invitees to make sure that the item shows up correctly on everyone's calendar, both internally and externally. To minimize confusion during the affected date ranges:

Include the time of the meeting in the email request so that invitees can double-check the correct meeting time (such as, "Staff Meeting - 11:00 A.M.").
Exercise caution with appointments and meetings in the extended DST period. When in doubt, verify the correct time with the organizer.

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Windows Computers

Windows XP users can download and run the Microsoft Update for Windows XP package. On February 13, 2007, Microsoft began distributing the Daylight Saving Time (DST) patch as an automatic update for Windows XP SP2. If your computer is configured to receive automatic updates from Microsoft, your PC has probably downloaded and installed this patch by now. If you are unsure if your computer receives automatic updates, please follow the above link to download the patch. Please note that the patch for Outlook (listed below) must be installed separately, and is NOT part of an automatic update.

Windows 2000 users can download and run the JMU Time Zone Updater.

Microsoft Outlook Calendar users should download and run the Time Zone Data Update Tool for Microsoft Office Outlook immediately after running one of the updates above.

For more information, please visit the following links:

Microsoft - 2007 time zone update for Microsoft Windows operating systems

Microsoft - Preparing for daylight saving time changes in 2007

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Macintosh Computers

Macintosh users should visit the About Daylight Saving Time changes in 2007 article on Apple's sight for information about their particular version of the operating system.

For more information, please visit the following links:

AFP548.com - Fix for DST time change on 10.3 and 10.2

Apple - About Java for Mac OS X 10.3 Update 5

Apple - About Java for Mac OS X 10.4, Release 5

Apple - About the Mac OS X 10.4.5 Update (delta)

Apple - About the Mac OS X 10.4.6 Update (delta)

Apple - About the WebObjects DST Update (WebObjects 5.3.3)

Apple - Daylight Saving Time Update (Panther)

Apple - Daylight Saving Time Update (Tiger)

Apple - Java for Mac OS X 10.3 Update 5

Apple - Java for Mac OS X 10.4 Release 5

Apple - Mac OS X 10.4.7 Update