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Clock Changes in London, England, United Kingdom 1921

Next change:
Mar
31
1 hour Forward

Mar 31, 2024, 1:00 am

Start DST: Sunday, April 3, 1921 — 1 hour forward
End DST: Monday, October 3, 1921 — 1 hour backward
Location of LondonLocation

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.

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.

Also called Fall Back and Winter Time.

Other years: 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924

Daylight Saving Time in Other Years

DST changes do not necessarily occur on the same date every year.

YearDST Start (Clock Forward)DST End (Clock Backward)
1900 — 1915DST not observed
1916Sunday, May 21, 2:00 amSunday, October 1, 3:00 am
1917Sunday, April 8, 2:00 amMonday, September 17, 3:00 am
1918Sunday, March 24, 2:00 amMonday, September 30, 3:00 am
1919Sunday, March 30, 2:00 amMonday, September 29, 3:00 am
1920Sunday, March 28, 2:00 amMonday, October 25, 3:00 am
1921Sunday, April 3, 2:00 amMonday, October 3, 3:00 am
1922Sunday, March 26, 2:00 amSunday, October 8, 3:00 am
1923Sunday, April 22, 2:00 amSunday, September 16, 3:00 am
1924Sunday, April 13, 2:00 amSunday, September 21, 3:00 am
All times are local for London.

Detailed time zone and clock changes in London