Mar 8, 2026, 2:00 am
| Start DST: | Friday, April 6, 1917 — 1 hour forward |
|---|---|
| End DST: | Sunday, September 30, 1917 — 1 hour backward |
Apr 6
Forward 1 hour
Apr 6, 1917 - Daylight Saving Time Started
When local standard time was about to reach
Friday, April 6, 1917, 12:00:00 midnight clocks were turned forward 1 hour to
Friday, April 6, 1917, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 6, 1917 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 1
Back 1 hour
Oct 1, 1917 - Daylight Saving Time Ended
When local daylight time was about to reach
Monday, October 1, 1917, 12:00:00 midnight clocks were turned backward 1 hour to
Sunday, September 30, 1917, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 1, 1917 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 — 1916 | DST not observed | |
| 1917 | Friday, April 6, 12:00 midnight | Monday, October 1, 12:00 midnight |
| 1918 | Sunday, April 14, 12:00 midnight | Monday, September 16, 12:00 midnight |
| 1919 — 1924 | DST not observed | |
| All times are local for Hamilton. | ||