Oct 29, 1967, 2:00 am
| Start DST: | Sunday, March 20, 1921 — 1 hour forward |
|---|---|
| End DST: | Thursday, June 23, 1921 — 1 hour backward |
Mar 19
Forward 1 hour
Mar 19, 1921 - Daylight Saving Time Started
When local standard time was about to reach
Saturday, March 19, 1921, 11:00:00 pm clocks were turned forward 1 hour to
Sunday, March 20, 1921, 12:00:00 midnight local daylight time instead.
Sunrise and sunset were about 1 hour later on Mar 20, 1921 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.
Jun 23
Back 1 hour
Jun 23, 1921 - Daylight Saving Time Ended
When local daylight time was about to reach
Thursday, June 23, 1921, 1:00:00 am clocks were turned backward 1 hour to
Thursday, June 23, 1921, 12:00:00 midnight local standard time instead.
Sunrise and sunset were about 1 hour earlier on Jun 23, 1921 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) |
|---|---|---|
| 1900 — 1916 | DST not observed | |
| 1917 | Monday, February 19, 11:00 pm | Sunday, October 21, 1:00 am |
| 1918 | Tuesday, February 19, 11:00 pm | Saturday, November 16, 1:00 am |
| 1919 | Wednesday, February 19, 11:00 pm | Sunday, November 16, 1:00 am |
| 1920 | DST not observed | |
| 1921 | Saturday, March 19, 11:00 pm | Thursday, June 23, 1:00 am |
| 1922 — 1924 | DST not observed | |
| All times are local for Reykjavik. | ||