Africa/Banjul

Time zone identifier: Africa/Banjul

Current civil offset: +00:00 (GMT)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1912-01-01

Local Mean Time (LMT): -01:06:36 based on geographic meridian

Total recorded transitions: 3 transitions across 3 distinct offsets

Associated countries: GM

Historical Offset Step Chart (1880 to Present)

Text summary: Africa/Banjul shifted between 3 distinct offsets from 1912-01-01 through the modern era.

Complete Transition History (3 Transitions)

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1912-01-01T01:06:36Z`	`1912-01-01 00:00:00`	-01:06:36 → -01:06:36	`BMT`	No	offset-only
`1933-04-01T01:06:36Z`	`1933-04-01 00:06:36`	-01:06:36 → -01:00	`-01`	No	gap
`1942-02-01T01:00:00Z`	`1942-02-01 01:00:00`	-01:00 → +00:00	`GMT`	No	gap

Notes from the Maintainers

Source: backzone (Lines 198 to 208)

The Gambia
From P Chan (2020-12-09):
Standard time of GMT-1 was adopted on 1933-04-01.  On 1942-02-01, GMT was
adopted as a war time measure.  This was made permanent in 1946.

Interpretation Ordinance, 1914 (No. 12 of 1914) [1914-09-29]
Interpretation Ordinance, 1933 (No. 10 of 1933) [1933-03-31]
Notice No. 5 of 1942, Colony of the Gambia Government Gazette, Vol. LIX,
No.2, 1942-01-15, p 2
Interpretation (Amendment) Ordinance, 1946 (No. 3 of 1946) [1946-07-15]

Attributed Statements:

P Chan (2020-12-09):

Standard time of GMT-1 was adopted on 1933-04-01. On 1942-02-01, GMT was adopted as a war time measure. This was made permanent in 1946. Interpretation Ordinance, 1914 (No. 12 of 1914) [1914-09-29] Interpretation Ordinance, 1933 (No. 10 of 1933) [1933-03-31] Notice No. 5 of 1942, Colony of the Gambia Government Gazette, Vol. LIX, No.2, 1942-01-15, p 2 Interpretation (Amendment) Ordinance, 1946 (No. 3 of 1946) [1946-07-15]

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.