Nov 3, 2024, 2:00 am
| Start DST: | Sunday, June 13, 1920 — 1 hour forward |
|---|---|
| End DST: | Sunday, October 31, 1920 — 1 hour backward |
Jun 13
Forward 1 hour
Jun 13, 1920 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, June 13, 1920, 2:00:00 am clocks were turned forward 1 hour to
Sunday, June 13, 1920, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Jun 13, 1920 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 31
Back 1 hour
Oct 31, 1920 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 31, 1920, 2:00:00 am clocks were turned backward 1 hour to
Sunday, October 31, 1920, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 31, 1920 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 — 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, June 13, 2:00 am | Sunday, October 31, 2:00 am |
| 1921 | Sunday, March 27, 2:00 am | Sunday, October 30, 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 Chicago. | ||