Last change: 2009
Mar
8
1 hour Back
Mar 8, 2009, 12:00 midnight
| End DST: | Tuesday, March 13, 1990 — 2 hours backward |
|---|---|
| Start DST: | Monday, October 15, 1990 — 1 hour forward |
Mar 14
Back 2 hours
Mar 14, 1990 - Daylight Saving Time Ended
When local daylight time was about to reach
Wednesday, March 14, 1990, 12:00:00 midnight clocks were turned backward 2 hours to
Tuesday, March 13, 1990, 10:00:00 pm local standard time instead.
Also called Fall Back and Winter Time.
Oct 15
Forward 1 hour
Oct 15, 1990 - Daylight Saving Time Started
When local standard time was about to reach
Monday, October 15, 1990, 12:00:00 midnight clocks were turned forward 1 hour to
Monday, October 15, 1990, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Oct 15, 1990 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
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) |
|---|---|---|
| 1990 | Wednesday, March 14, 12:00 midnight | Monday, October 15, 12:00 midnight |
| 1991 | Friday, March 1, 12:00 midnight | No DST Start |
| 1992 — 1998 | DST not observed | |
| 1999 | No DST End | Sunday, October 3, 12:00 midnight |
| All times are local for San Luis. | ||