Nov 5, 2023, 2:00 am
| Start DST: | Sunday, April 29, 1923 — 1 hour forward |
|---|---|
| End DST: | Sunday, September 30, 1923 — 1 hour backward |
Apr 29
Forward 1 hour
Apr 29, 1923 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 29, 1923, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 29, 1923, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 29, 1923 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
More info:
Spring DST: The Ultimate Monday?
Sep 30
Back 1 hour
Sep 30, 1923 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, September 30, 1923, 2:00:00 am clocks were turned backward 1 hour to
Sunday, September 30, 1923, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Sep 30, 1923 than the day before. There was more light in the morning.
Also called Fall Back and Winter Time.
More info:
Spring DST: The Ultimate Monday?
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. | ||