The Groove Calendar tool automatically updates appointment times when you change time zones (916356)

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The Groove Calendar tool automatically updates appointment times when you change time zones and marks changed appointments to indicate that they were created in another time zone.

When you change the time zone on a computer that is running Microsoft Windows, Windows broadcasts the WM_TIMECHANGE message to running applications. Groove recognizes this change immediately.

When the time zone setting changes, the Groove Calendar tool adjusts the start and end times of the Calendar entries to match the current local time zone. Groove also displays the indicator icon next to these entries to indicate that the entries were created in a different time zone than the time zone that the system currently uses.

For example, if your time zone is set to Eastern Time, and you create a Calendar entry that is named "Product Status Meeting" that runs from 9:00 to 10:00 Eastern Time, the meeting is displayed in the Month view of the Calendar as follows:If you then change your time zone to Central Time, the Calendar tool changes the display. The meeting now has a globe and clock icon next to it and appears as follows:When you move the pointer over the globe and clock icon, a ToolTip appears that displays the original appointment times and the original time zone.

This behavior may cause confusion on computers that are running Microsoft Windows 95, Windows 98, or Windows Millennium Edition. These operating systems do not immediately update the system time to reflect the correct local time when you change the time zone setting. Instead, these versions of Windows require that you restart your computer for the change to take effect, or that you manually change the time zone setting to the new time zone. Until you restart your computer or you change the time manually, the Windows clock and other system time displays will continue to reflect the original time setting that will not match the correct times in Groove.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

When you change the time zone, Microsoft Windows NT, Windows 2000, and Windows XP update the system time immediately.