Next change:
Sep
28
1 hour
Forward
Sep 28, 2025, 2:00 am
| Start DST: | Sunday, November 3, 1974 — 1 hour forward |
|---|
Nov 3
Forward 1 hour
Nov 3, 1974 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, November 3, 1974, 2:00:00 am clocks were turned forward 1 hour to
Sunday, November 3, 1974, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Nov 3, 1974 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.