Nov 3, 2024, 2:00 am
| Start DST: | Sunday, April 24, 1921 — 1 hour forward |
|---|---|
| End DST: | Sunday, September 25, 1921 — 1 hour backward |
Apr 24
Forward 1 hour
Apr 24, 1921 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 24, 1921, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 24, 1921, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 24, 1921 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Sep 25
Back 1 hour
Sep 25, 1921 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, September 25, 1921, 2:00:00 am clocks were turned backward 1 hour to
Sunday, September 25, 1921, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Sep 25, 1921 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) |
|---|---|---|
| 1900 — 1917 | DST not observed | |
| 1918 | Sunday, March 31, 2:00 am | Sunday, October 27, 2:00 am |
| 1919 | Sunday, March 30, 2:00 am | Sunday, October 26, 2:00 am |
| 1920 | Sunday, March 28, 2:00 am | Sunday, October 31, 2:00 am |
| 1921 | Sunday, April 24, 2:00 am | Sunday, September 25, 2:00 am |
| 1922 | Sunday, April 30, 2:00 am | Sunday, September 24, 2:00 am |
| 1923 | Sunday, April 29, 2:00 am | Sunday, September 30, 2:00 am |
| 1924 | Sunday, April 27, 2:00 am | Sunday, September 28, 2:00 am |
| All times are local for New York. | ||