You need to upgrade your Flash PlayerThis is replaced by the Flash content. Daylight-Saving Time is not in effect. Uruguay is in South America; The Standard Time in Uruguay is 3 hours behind Greenwich Mean Time (GMT-3). Uruguay for this year is operating in Daylight-Saving Time.Daylight Saving Time starts on 10/5/2008 2:00:00 AM local standard time.Daylight Saving Time ends on 3/9/2009 2:00:00 AM local daylight time.