Mar 16, 2008, 12:00 midnight
| End DST: | Thursday, February 28, 1991 — 1 hour backward |
|---|---|
| Start DST: | Tuesday, October 15, 1991 — 1 hour forward |
Mar 1
Back 1 hour
Mar 1, 1991 - Daylight Saving Time Ended
When local daylight time was about to reach
Friday, March 1, 1991, 12:00:00 midnight clocks were turned backward 1 hour to
Thursday, February 28, 1991, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Mar 1, 1991 than the day before. There was more light in the morning.
Also called Fall Back and Winter Time.
Oct 15
Forward 1 hour
Oct 15, 1991 - Daylight Saving Time Started
When local standard time was about to reach
Tuesday, October 15, 1991, 12:00:00 midnight clocks were turned forward 1 hour to
Tuesday, October 15, 1991, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Oct 15, 1991 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 | Sunday, March 4, 12:00 midnight | Monday, October 15, 12:00 midnight |
| 1991 | Friday, March 1, 12:00 midnight | Tuesday, October 15, 12:00 midnight |
| 1992 | Sunday, March 1, 12:00 midnight | Sunday, October 18, 12:00 midnight |
| 1993 | Sunday, March 7, 12:00 midnight | No DST Start |
| 1994 — 1998 | DST not observed | |
| 1999 | No DST End | Sunday, October 3, 12:00 midnight |
| All times are local for Mendoza. | ||