Next change:
Oct
27
1 hour Back
Oct 27, 2024, 3:00 am
| Start DST: | Monday, April 1, 1940 — 1 hour forward |
|---|
Apr 1
Forward 1 hour
Apr 1, 1940 - Daylight Saving Time Started
When local standard time was about to reach
Monday, April 1, 1940, 2:00:00 am clocks were turned forward 1 hour to
Monday, April 1, 1940, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 1, 1940 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 — 1939 | DST not observed | |
| 1940 | Monday, April 1, 2:00 am | No DST End |
| 1941 | DST observed all year | |
| 1942 | No DST Start | Monday, November 2, 3:00 am |
| 1943 | Monday, March 29, 2:00 am | Monday, October 4, 3:00 am |
| 1944 | Monday, April 3, 2:00 am | Monday, October 2, 3:00 am |
| 1945 | Monday, April 2, 2:00 am | Thursday, April 12, 3:00 am |
| 1946 | Sunday, April 14, 2:00 am | Monday, October 7, 3:00 am |
| 1947 | Sunday, April 6, 2:00 am | Sunday, October 5, 3:00 am |
| 1948 | Sunday, April 18, 2:00 am | Sunday, October 3, 3:00 am |
| 1949 | DST not observed | |
| All times are local for Vienna. | ||