Mar 8, 2009, 12:00 midnight
| No further time changes in 2004 in San Luis |
May 31
Back 1 hour
May 31, 2004 - Time Zone Change (ART → WART)
When local standard time was about to reach
Monday, May 31, 2004, 12:00:00 midnight clocks were turned backward 1 hour to
Sunday, May 30, 2004, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on May 31, 2004 than the day before. There was more light in the morning and less light in the evening.
Jul 25
Forward 1 hour
Jul 25, 2004 - Time Zone Change (WART → ART)
When local standard time was about to reach
Sunday, July 25, 2004, 12:00:00 midnight clocks were turned forward 1 hour to
Sunday, July 25, 2004, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour later on Jul 25, 2004 than the day before. There was more light in the evening and less light in the morning.
Daylight Saving Time in Other Years
DST changes do not necessarily occur on the same date every year.
| Year | DST End (Clock Backward) | DST Start (Clock Forward) |
|---|---|---|
| 2000 | Friday, March 3, 12:00 midnight | No DST Start |
| 2001 — 2006 | DST not observed | |
| 2007 | No DST End | Sunday, December 30, 12:00 midnight |
| 2008 | Sunday, March 9, 12:00 midnight | Sunday, October 12, 12:00 midnight |
| 2009 | Sunday, March 8, 12:00 midnight | No DST Start |
| All times are local for San Luis. | ||