Last change: 2008
Mar
16
1 hour Back
Mar 16, 2008, 12:00 midnight
| Start DST: | Thursday, December 1, 1988 — 1 hour forward |
|---|
Dec 1
Forward 1 hour
Dec 1, 1988 - Daylight Saving Time Started
When local standard time was about to reach
Thursday, December 1, 1988, 12:00:00 midnight clocks were turned forward 1 hour to
Thursday, December 1, 1988, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Dec 1, 1988 than the day before. There was more light in the evening and less light in the morning.
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) |
|---|---|---|
| 1980 — 1987 | DST not observed | |
| 1988 | No DST End | Thursday, December 1, 12:00 midnight |
| 1989 | Sunday, March 5, 12:00 midnight | Sunday, October 15, 12:00 midnight |
| All times are local for San Martín Base. | ||
Data for the years before 1970 is not available for San Martín Base, however, we have earlier time zone history for Ushuaia available.