Mar 29, 2026, 2:00 am
| Start DST: | Sunday, April 21, 1929 — 1 hour forward |
|---|---|
| End DST: | Saturday, October 5, 1929 — 1 hour backward |
Apr 20
Forward 1 hour
Apr 20, 1929 - Daylight Saving Time Started
When local standard time was about to reach
Saturday, April 20, 1929, 11:00:00 pm clocks were turned forward 1 hour to
Sunday, April 21, 1929, 12:00:00 midnight local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 21, 1929 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.
Oct 6
Back 1 hour
Oct 6, 1929 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 6, 1929, 1:00:00 am clocks were turned backward 1 hour to
Saturday, October 5, 1929, 12:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 6, 1929 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 | DST not observed | |
| 1926 | Saturday, April 17, 11:00 pm | Sunday, October 3, 1:00 am |
| 1927 | Saturday, April 9, 11:00 pm | Sunday, October 2, 1:00 am |
| 1928 | Sunday, April 15, 12:00 midnight | Sunday, October 7, 1:00 am |
| 1929 | Saturday, April 20, 11:00 pm | Sunday, October 6, 1:00 am |
| 1930 — 1936 | DST not observed | |
| 1937 | Wednesday, June 16, 11:00 pm | Sunday, October 3, 1:00 am |
| * 1938 | Saturday, April 2, 11:00 pm | No DST End |
| 1939 | No DST Start | Sunday, October 8, 1:00 am |
| 1940 — 1941 | DST not observed | |
| 1942 | Saturday, May 2, 11:00 pm | Tuesday, September 1, 1:00 am |
| 1943 | Saturday, April 17, 11:00 pm | Sunday, October 3, 1:00 am |
| 1944 | Saturday, April 15, 11:00 pm | Sunday, October 1, 1:00 am |
| 1945 | Saturday, April 14, 11:00 pm | Sunday, September 30, 1:00 am |
| 1946 | Saturday, April 13, 11:00 pm | Sunday, September 29, 1:00 am |
| 1947 — 1948 | DST not observed | |
| 1949 | Saturday, April 30, 11:00 pm | Sunday, October 2, 1:00 am |
| All times are local for Madrid. * All or part of this period was on double DST. |
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