Oct 29, 1967, 2:00 am
| Start DST: | Sunday, March 31, 1918 — 1 hour forward |
|---|---|
| End DST: | Sunday, October 27, 1918 — 1 hour backward |
Mar 31
Forward 1 hour
Mar 31, 1918 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, March 31, 1918, 2:00:00 am clocks were turned forward 1 hour to
Sunday, March 31, 1918, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Mar 31, 1918 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Oct 27
Back 1 hour
Oct 27, 1918 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 27, 1918, 2:00:00 am clocks were turned backward 1 hour to
Sunday, October 27, 1918, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 27, 1918 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 — 1924 | DST not observed | |
| All times are local for Phoenix. | ||