Mar 30, 2025, 1:00 am
| Start DST: | Sunday, March 19, 1972 — 1 hour forward |
|---|---|
| End DST: | Sunday, October 29, 1972 — 1 hour backward |
Mar 19
Forward 1 hour
Mar 19, 1972 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, March 19, 1972, 2:00:00 am clocks were turned forward 1 hour to
Sunday, March 19, 1972, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Mar 19, 1972 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.
Oct 29
Back 1 hour
Oct 29, 1972 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 29, 1972, 3:00:00 am clocks were turned backward 1 hour to
Sunday, October 29, 1972, 2:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 29, 1972 than the day before. There was more light in the morning and less light in the evening.
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 | DST observed all year | |
| 1971 | No DST Start | Sunday, October 31, 3:00 am |
| 1972 | Sunday, March 19, 2:00 am | Sunday, October 29, 3:00 am |
| 1973 | Sunday, March 18, 2:00 am | Sunday, October 28, 3:00 am |
| 1974 | Sunday, March 17, 2:00 am | Sunday, October 27, 3:00 am |
| 1975 | Sunday, March 16, 2:00 am | Sunday, October 26, 3:00 am |
| 1976 | Sunday, March 21, 2:00 am | Sunday, October 24, 3:00 am |
| 1977 | Sunday, March 20, 2:00 am | Sunday, October 23, 3:00 am |
| 1978 | Sunday, March 19, 2:00 am | Sunday, October 29, 3:00 am |
| 1979 | Sunday, March 18, 2:00 am | Sunday, October 28, 3:00 am |
| All times are local for Chatham. | ||
Data for the years before 1970 is not available for Chatham, however, we have earlier time zone history for London available.