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Clock Changes in San Martín Base, Antarctica 1990

Last change: 2008
Mar
16
1 hour Back

Mar 16, 2008, 12:00 midnight

End DST: Saturday, March 3, 1990 — 1 hour backward
Start DST: Sunday, October 21, 1990 — 1 hour forward
Location of San Martín BaseLocation

Mar 4

Back 1 hour

Mar 4, 1990 - Daylight Saving Time Ended

When local daylight time was about to reach
Sunday, March 4, 1990, 12:00:00 midnight clocks were turned backward 1 hour to
Saturday, March 3, 1990, 11:00:00 pm local standard time instead.

Sunrise and sunset were about 1 hour earlier on Mar 4, 1990 than the day before. There was more light in the morning and less light in the evening.

Also called Fall Back and Winter Time.

Oct 21

Forward 1 hour

Oct 21, 1990 - Daylight Saving Time Started

When local standard time was about to reach
Sunday, October 21, 1990, 12:00:00 midnight clocks were turned forward 1 hour to
Sunday, October 21, 1990, 1:00:00 am local daylight time instead.

Sunrise and sunset were about 1 hour later on Oct 21, 1990 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.

Other years: 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993

Daylight Saving Time in Other Years

DST changes do not necessarily occur on the same date every year.

YearDST End (Clock Backward)DST Start (Clock Forward)
1990Sunday, March 4, 12:00 midnightSunday, October 21, 12:00 midnight
1991Sunday, March 3, 12:00 midnightSunday, October 20, 12:00 midnight
1992Sunday, March 1, 12:00 midnightSunday, October 18, 12:00 midnight
1993Sunday, March 7, 12:00 midnightNo DST Start
1994 — 1998DST not observed
1999No DST EndSunday, October 3, 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.

Detailed time zone and clock changes in San Martín Base