Another time zone update for Microsoft Office Groove 2007
Important information for users with workspaces that include members located in Venezuela.
As of September 24th, 2007, Venezuela will move to “Venezuela Standard Time”, which is located at GMT -04:30 instead of the previous time zone, “SA Western Standard Time, which was located at GMT -04:00. The changes will be incorporated as soon as possible. In the meantime, users should communicate to verify and adjust start times and end times of Groove Meetings Tool meetings and Groove Calendar Tool appointments, and be aware that time stamps may appear incorrectly in other Groove tools such as Discussion, Forms, Chat, and Messaging.
link to this article: http://blogs.technet.com/groove/archive/2007/09/20/venezuela-turns-the-clocks-a-bit.aspx