Next change:
Mar
28
1 hour
Forward
Mar 28, 2027, 1:00 am
| End DST: | Sunday, October 31, 1971 — 1 hour backward |
|---|
Oct 31
Back 1 hour
Oct 31, 1971 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 31, 1971, 3:00:00 am clocks were turned backward 1 hour to
Sunday, October 31, 1971, 2:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 31, 1971 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 54°24'49.8"N, 4°21'06.9"W. | ||
Data for the years before 1970 is not available for 54°24'49.8"N, 4°21'06.9"W, however, we have earlier time zone history for London available.
Detailed time zone and clock changes in 54°24'49.8"N, 4°21'06.9"W