Nov 3, 2024, 2:00 am
| Start DST: | Sunday, February 23, 1975 — 1 hour forward |
|---|---|
| End DST: | Sunday, October 26, 1975 — 1 hour backward |
Feb 23
Forward 1 hour
Feb 23, 1975 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, February 23, 1975, 2:00:00 am clocks were turned forward 1 hour to
Sunday, February 23, 1975, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Feb 23, 1975 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Oct 26
Back 1 hour
Oct 26, 1975 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 26, 1975, 2:00:00 am clocks were turned backward 1 hour to
Sunday, October 26, 1975, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 26, 1975 than the day before. There was more light in the morning.
Also called Fall Back and Winter Time.
Daylight Saving Time in Other Years
DST changes do not necessarily occur on the same date every year.
| Year | DST Start (Clock Forward) | DST End (Clock Backward) |
|---|---|---|
| 1970 | Sunday, April 26, 2:00 am | Sunday, October 25, 2:00 am |
| 1971 | Sunday, April 25, 2:00 am | Sunday, October 31, 2:00 am |
| 1972 | Sunday, April 30, 2:00 am | Sunday, October 29, 2:00 am |
| 1973 | Sunday, April 29, 2:00 am | Sunday, October 28, 2:00 am |
| 1974 | Sunday, January 6, 2:00 am | Sunday, October 27, 2:00 am |
| 1975 | Sunday, February 23, 2:00 am | Sunday, October 26, 2:00 am |
| 1976 | Sunday, April 25, 2:00 am | Sunday, October 31, 2:00 am |
| 1977 | Sunday, April 24, 2:00 am | Sunday, October 30, 2:00 am |
| 1978 | Sunday, April 30, 2:00 am | Sunday, October 29, 2:00 am |
| 1979 | Sunday, April 29, 2:00 am | Sunday, October 28, 2:00 am |
| All times are local for Bismarck. | ||
Data for the years before 1970 is not available for Bismarck, however, we have earlier time zone history for Chicago available.