Last change: 2009
Mar
15
1 hour Back
Mar 15, 2009, 12:00 midnight
| Start DST: | Sunday, October 3, 1999 — No time change due to simultaneous time zone change |
|---|
Oct 3
No change
Oct 3, 1999 - Daylight Saving Time Started
DST started on Sunday, October 3, 1999, 12:00:00 midnight. However, clocks were not changed because 34°45'02"S, 58°22'15"W switched time zones at the same 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 21, 12:00 midnight |
| 1991 | Sunday, March 3, 12:00 midnight | Sunday, October 20, 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 34°45'02"S, 58°22'15"W. | ||
Data for the years before 1970 is not available for 34°45'02"S, 58°22'15"W, however, we have earlier time zone history for Buenos Aires available.
Detailed time zone and clock changes in 34°45'02"S, 58°22'15"W