Africa/Freetown

Time zone identifier: Africa/Freetown

Current civil offset: +00:00 (GMT)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1882-01-01

Local Mean Time (LMT): -00:53 based on geographic meridian

Total recorded transitions: 19 transitions across 4 distinct offsets

Associated countries: SL

Historical Offset Step Chart (1880 to Present)

Text summary: Africa/Freetown shifted between 4 distinct offsets from 1882-01-01 through the modern era.

Complete Transition History (19 Transitions)

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1882-01-01T00:53:00Z`	`1882-01-01 00:00:00`	-00:53 → -00:53	`FMT`	No	offset-only
`1913-07-01T00:53:00Z`	`1913-06-30 23:53:00`	-00:53 → -01:00	`-01`	No	overlap
`1932-12-01T01:00:00Z`	`1932-12-01 00:20:00`	-01:00 → -00:40	`-0040`	Yes	gap
`1933-04-01T00:40:00Z`	`1933-03-31 23:40:00`	-00:40 → -01:00	`-01`	No	overlap
`1933-09-01T01:00:00Z`	`1933-09-01 00:20:00`	-01:00 → -00:40	`-0040`	Yes	gap
`1934-04-01T00:40:00Z`	`1934-03-31 23:40:00`	-00:40 → -01:00	`-01`	No	overlap
`1934-09-01T01:00:00Z`	`1934-09-01 00:20:00`	-01:00 → -00:40	`-0040`	Yes	gap
`1935-04-01T00:40:00Z`	`1935-03-31 23:40:00`	-00:40 → -01:00	`-01`	No	overlap
`1935-09-01T01:00:00Z`	`1935-09-01 00:20:00`	-01:00 → -00:40	`-0040`	Yes	gap
`1936-04-01T00:40:00Z`	`1936-03-31 23:40:00`	-00:40 → -01:00	`-01`	No	overlap
`1936-09-01T01:00:00Z`	`1936-09-01 00:20:00`	-01:00 → -00:40	`-0040`	Yes	gap
`1937-04-01T00:40:00Z`	`1937-03-31 23:40:00`	-00:40 → -01:00	`-01`	No	overlap
`1937-09-01T01:00:00Z`	`1937-09-01 00:20:00`	-01:00 → -00:40	`-0040`	Yes	gap
`1938-04-01T00:40:00Z`	`1938-03-31 23:40:00`	-00:40 → -01:00	`-01`	No	overlap
`1938-09-01T01:00:00Z`	`1938-09-01 00:20:00`	-01:00 → -00:40	`-0040`	Yes	gap
`1939-06-01T00:40:00Z`	`1939-05-31 23:40:00`	-00:40 → -01:00	`-01`	No	overlap
`1939-09-01T01:00:00Z`	`1939-09-01 00:20:00`	-01:00 → -00:40	`-0040`	Yes	gap
`1939-09-05T00:40:00Z`	`1939-09-04 23:40:00`	-00:40 → -01:00	`-01`	No	overlap
`1941-12-07T01:00:00Z`	`1941-12-07 01:00:00`	-01:00 → +00:00	`GMT`	No	gap

Years on Record

Methodology Note: The 1970 Rule

tzdb guarantees accuracy for timestamps from 1970 onwards. Transitions prior to 1970 represent best-effort historical reconstructions.