Africa/Tunis

Time zone identifier: Africa/Tunis

Current civil offset: +01:00 (CET)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1881-05-11

Local Mean Time (LMT): +00:40:44 based on geographic meridian

Total recorded transitions: 34 transitions across 4 distinct offsets

Associated countries: TN

Historical Offset Step Chart (1880 to Present)

Text summary: Africa/Tunis shifted between 4 distinct offsets from 1881-05-11 through the modern era.

Complete Transition History (34 Transitions)

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1881-05-11T23:19:16Z`	`1881-05-11 23:28:37`	+00:40:44 → +00:09:21	`PMT`	No	overlap
`1911-03-10T23:50:39Z`	`1911-03-11 00:50:39`	+00:09:21 → +01:00	`CET`	No	gap
`1939-04-15T22:00:00Z`	`1939-04-16 00:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1939-11-18T22:00:00Z`	`1939-11-18 23:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1940-02-25T22:00:00Z`	`1940-02-26 00:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1941-10-05T22:00:00Z`	`1941-10-05 23:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1942-03-08T23:00:00Z`	`1942-03-09 01:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1942-11-02T01:00:00Z`	`1942-11-02 02:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1943-03-29T01:00:00Z`	`1943-03-29 03:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1943-04-17T00:00:00Z`	`1943-04-17 01:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1943-04-25T01:00:00Z`	`1943-04-25 03:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1943-10-04T00:00:00Z`	`1943-10-04 01:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1944-04-03T01:00:00Z`	`1944-04-03 03:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1944-10-07T22:00:00Z`	`1944-10-07 23:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1945-04-02T01:00:00Z`	`1945-04-02 03:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1945-09-15T22:00:00Z`	`1945-09-15 23:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1977-04-29T23:00:00Z`	`1977-04-30 01:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1977-09-23T23:00:00Z`	`1977-09-24 00:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1978-04-30T23:00:00Z`	`1978-05-01 01:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1978-09-30T23:00:00Z`	`1978-10-01 00:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1988-05-31T23:00:00Z`	`1988-06-01 01:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1988-09-24T23:00:00Z`	`1988-09-25 00:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1989-03-25T23:00:00Z`	`1989-03-26 01:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1989-09-23T23:00:00Z`	`1989-09-24 00:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1990-04-30T23:00:00Z`	`1990-05-01 01:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1990-09-29T23:00:00Z`	`1990-09-30 00:00:00`	+02:00 → +01:00	`CET`	No	overlap
`2005-04-30T23:00:00Z`	`2005-05-01 01:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`2005-09-30T00:00:00Z`	`2005-09-30 01:00:00`	+02:00 → +01:00	`CET`	No	overlap
`2006-03-26T01:00:00Z`	`2006-03-26 03:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`2006-10-29T01:00:00Z`	`2006-10-29 02:00:00`	+02:00 → +01:00	`CET`	No	overlap
`2007-03-25T01:00:00Z`	`2007-03-25 03:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`2007-10-28T01:00:00Z`	`2007-10-28 02:00:00`	+02:00 → +01:00	`CET`	No	overlap
`2008-03-30T01:00:00Z`	`2008-03-30 03:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`2008-10-26T01:00:00Z`	`2008-10-26 02:00:00`	+02:00 → +01:00	`CET`	No	overlap

Notes from the Maintainers

Source: africa (Lines 1328 to 1330)

See Europe/Paris commentary for PMT-related transitions.
Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]

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.