Nov 3, 2024, 2:00 am
| Start DST: | Wednesday, April 1, 1931 — 1 hour forward |
|---|---|
| End DST: | Tuesday, September 29, 1931 — 1 hour backward |
Apr 1
Forward 1 hour
Apr 1, 1931 - Daylight Saving Time Started
When local standard time was about to reach
Wednesday, April 1, 1931, 12:00:00 midnight clocks were turned forward 1 hour to
Wednesday, April 1, 1931, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 1, 1931 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.
Sep 30
Back 1 hour
Sep 30, 1931 - Daylight Saving Time Ended
When local daylight time was about to reach
Wednesday, September 30, 1931, 12:00:00 midnight clocks were turned backward 1 hour to
Tuesday, September 29, 1931, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Sep 30, 1931 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) |
|---|---|---|
| 1925 — 1930 | DST not observed | |
| 1931 | Wednesday, April 1, 12:00 midnight | Wednesday, September 30, 12:00 midnight |
| 1932 — 1941 | DST not observed | |
| 1942 | Friday, April 24, 12:00 midnight | No DST End |
| 1943 — 1944 | DST observed all year | |
| 1945 | No DST Start | Monday, November 12, 12:00 midnight |
| 1946 — 1947 | DST not observed | |
| 1948 | Monday, April 5, 12:00 midnight | No DST End |
| 1949 | No DST Start | Friday, January 14, 12:00 midnight |
| All times are local for Tijuana. | ||