Sep 1, 1962, 12:00 midnight
| Start DST: | Thursday, June 1, 1939 — 0:40 hours forward |
|---|---|
| Decrease DST: | Thursday, August 31, 1939 — 0:20 hours backward |
Jun 1
Forward 0:40 hours
Jun 1, 1939 - Daylight Saving Time Started
When local standard time was about to reach
Thursday, June 1, 1939, 12:00:00 midnight clocks were turned forward 0:40 hours to
Thursday, June 1, 1939, 12:40:00 am local daylight time instead.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Sep 1
Back 0:20 hours
Sep 1, 1939 - Daylight Saving Time Decreased
Double DST ended – Clocks were turned back from double DST (2 hours ahead of standard time) to DST (1 hour ahead of standard time).
When local daylight time was about to reach
Friday, September 1, 1939, 12:00:00 midnight clocks were turned backward 0:20 hours to
Thursday, August 31, 1939, 11:40:00 pm local daylight time instead.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Oct 1
Back 0:20 hours
Oct 1, 1939 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 1, 1939, 12:00:00 midnight clocks were turned backward 0:20 hours to
Saturday, September 30, 1939, 11:40:00 pm local standard time instead.
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 End (Clock Backward) | DST Start (Clock Forward) |
|---|---|---|
| 1925 — 1931 | DST not observed | |
| 1932 | No DST End | Thursday, December 1, 12:00 midnight |
| 1933 | Saturday, April 1, 12:00 midnight | Friday, September 1, 12:00 midnight |
| 1934 | Sunday, April 1, 12:00 midnight | Saturday, September 1, 12:00 midnight |
| * 1935 | Tuesday, October 1, 12:00 midnight | Saturday, June 1, 12:00 midnight |
| * 1936 | Thursday, October 1, 12:00 midnight | Monday, June 1, 12:00 midnight |
| * 1937 | Friday, October 1, 12:00 midnight | Tuesday, June 1, 12:00 midnight |
| * 1938 | Saturday, October 1, 12:00 midnight | Wednesday, June 1, 12:00 midnight |
| * 1939 | Sunday, October 1, 12:00 midnight | Thursday, June 1, 12:00 midnight |
| 1940 | Tuesday, October 1, 12:00 midnight | Saturday, June 1, 12:00 midnight |
| 1941 | Wednesday, October 1, 12:00 midnight | Sunday, June 1, 12:00 midnight |
| 1942 | Thursday, October 1, 12:00 midnight | Monday, June 1, 12:00 midnight |
| 1943 — 1949 | DST not observed | |
| All times are local for Freetown. * All or part of this period was on double DST. | ||