Mar 15, 2009, 12:00 midnight
| End DST: | Saturday, April 5, 1969 — 1 hour backward |
|---|
Apr 6
Back 1 hour
Apr 6, 1969 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, April 6, 1969, 12:00:00 midnight clocks were turned backward 1 hour to
Saturday, April 5, 1969, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Apr 6, 1969 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 5
Forward 1 hour
Oct 5, 1969 - Time Zone Change (ART → ART)
When local standard time was about to reach
Sunday, October 5, 1969, 12:00:00 midnight clocks were turned forward 1 hour to
Sunday, October 5, 1969, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour later on Oct 5, 1969 than the day before. There was more light in the evening and less light in the morning.
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) |
|---|---|---|
| 1960 — 1962 | DST observed all year | |
| 1963 | Tuesday, October 1, 12:00 midnight | Sunday, December 15, 12:00 midnight |
| 1964 | Sunday, March 1, 12:00 midnight | Thursday, October 15, 12:00 midnight |
| 1965 | Monday, March 1, 12:00 midnight | Friday, October 15, 12:00 midnight |
| 1966 | Tuesday, March 1, 12:00 midnight | Saturday, October 15, 12:00 midnight |
| 1967 | Sunday, April 2, 12:00 midnight | Sunday, October 1, 12:00 midnight |
| 1968 | Sunday, April 7, 12:00 midnight | Sunday, October 6, 12:00 midnight |
| 1969 | Sunday, April 6, 12:00 midnight | No DST Start |
| All times are local for Buenos Aires. | ||