Sep 28, 2025, 2:00 am
| End DST: | Sunday, February 23, 1975 — 1 hour backward |
|---|---|
| Start DST: | Sunday, October 26, 1975 — 1 hour forward |
Feb 23
Back 1 hour
Feb 23, 1975 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, February 23, 1975, 3:00:00 am clocks were turned backward 1 hour to
Sunday, February 23, 1975, 2:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Feb 23, 1975 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 26
Forward 1 hour
Oct 26, 1975 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, October 26, 1975, 2:00:00 am clocks were turned forward 1 hour to
Sunday, October 26, 1975, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Oct 26, 1975 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) |
|---|---|---|
| 1970 — 1973 | DST not observed | |
| 1974 | No DST End | Sunday, November 3, 2:00 am |
| 1975 | Sunday, February 23, 3:00 am | Sunday, October 26, 2:00 am |
| 1976 | Sunday, March 7, 3:00 am | Sunday, October 31, 2:00 am |
| 1977 | Sunday, March 6, 3:00 am | Sunday, October 30, 2:00 am |
| 1978 | Sunday, March 5, 3:00 am | Sunday, October 29, 2:00 am |
| 1979 | Sunday, March 4, 3:00 am | Sunday, October 28, 2:00 am |
| All times are local for South Pole. | ||
Data for the years before 1970 is not available for South Pole, however, we have earlier time zone history for McMurdo available.