Last change: 1945
Sep
30
1 hour Back
Sep 30, 1945, 2:00 am
| Start DST: | Sunday, May 3, 1942 — 1 hour forward |
|---|
May 3
Forward 1 hour
May 3, 1942 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, May 3, 1942, 12:00:00 midnight clocks were turned forward 1 hour to
Sunday, May 3, 1942, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on May 3, 1942 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.
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 — 1941 | DST not observed | |
| 1942 | Sunday, May 3, 12:00 midnight | No DST End |
| 1943 — 1944 | DST observed all year | |
| 1945 | No DST Start | Sunday, September 30, 2:00 am |
| 1946 — 1949 | DST not observed | |
| All times are local for San Juan. | ||