Oct 27, 2024, 2:00 am
| Start DST: | Sunday, April 3, 1921 — 1 hour forward |
|---|---|
| End DST: | Monday, October 3, 1921 — 1 hour backward |
Apr 3
Forward 1 hour
Apr 3, 1921 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 3, 1921, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 3, 1921, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 3, 1921 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 3
Back 1 hour
Oct 3, 1921 - Daylight Saving Time Ended
When local daylight time was about to reach
Monday, October 3, 1921, 3:00:00 am clocks were turned backward 1 hour to
Monday, October 3, 1921, 2:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 3, 1921 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) |
|---|---|---|
| 1900 — 1915 | DST not observed | |
| 1916 | Sunday, May 21, 2:00 am | Sunday, October 1, 3:00 am |
| 1917 | Sunday, April 8, 2:00 am | Monday, September 17, 3:00 am |
| 1918 | Sunday, March 24, 2:00 am | Monday, September 30, 3:00 am |
| 1919 | Sunday, March 30, 2:00 am | Monday, September 29, 3:00 am |
| 1920 | Sunday, March 28, 2:00 am | Monday, October 25, 3:00 am |
| 1921 | Sunday, April 3, 2:00 am | Monday, October 3, 3:00 am |
| 1922 | Sunday, March 26, 2:00 am | Sunday, October 8, 3:00 am |
| 1923 | Sunday, April 22, 2:00 am | Sunday, September 16, 3:00 am |
| 1924 | Sunday, April 13, 2:00 am | Sunday, September 21, 3:00 am |
| All times are local for London. | ||