Mar 16, 2008, 12:00 midnight
| End DST: | Saturday, March 3, 1990 — 2 hours backward |
|---|---|
| Start DST: | Sunday, October 28, 1990 — 1 hour forward |
Mar 4
Back 2 hours
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 2 hours to
Saturday, March 3, 1990, 10:00:00 pm local standard time instead.
Also called Fall Back and Winter Time.
Oct 28
Forward 1 hour
Oct 28, 1990 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, October 28, 1990, 12:00:00 midnight clocks were turned forward 1 hour to
Sunday, October 28, 1990, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Oct 28, 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.
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 | Sunday, October 28, 12:00 midnight |
| 1991 | Sunday, March 17, 12:00 midnight | Sunday, October 6, 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 23°19'09.2"S, 65°46'35.7"W. | ||
Data for the years before 1970 is not available for 23°19'09.2"S, 65°46'35.7"W, however, we have earlier time zone history for Jujuy available.
Detailed time zone and clock changes in 23°19'09.2"S, 65°46'35.7"W