Oct 26, 2025, 3:00 am
| Start DST: | Sunday, May 4, 1947 — 1 hour forward |
|---|---|
| End DST: | Sunday, August 10, 1947 — 1 hour backward |
May 4
Forward 1 hour
May 4, 1947 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, May 4, 1947, 2:00:00 am clocks were turned forward 1 hour to
Sunday, May 4, 1947, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on May 4, 1947 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.
Aug 10
Back 1 hour
Aug 10, 1947 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, August 10, 1947, 3:00:00 am clocks were turned backward 1 hour to
Sunday, August 10, 1947, 2:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Aug 10, 1947 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 — 1939 | DST not observed | |
| 1940 | Wednesday, May 15, 12:00 midnight | 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 | Wednesday, August 15, 3:00 am |
| 1946 | Wednesday, May 1, 2:00 am | Sunday, September 1, 3:00 am |
| 1947 | Sunday, May 4, 2:00 am | Sunday, August 10, 3:00 am |
| 1948 | Sunday, May 9, 2:00 am | Sunday, August 8, 3:00 am |
| 1949 | DST not observed | |
| All times are local for Copenhagen. | ||