Africa/Luanda

Time zone identifier: Africa/Luanda

Current civil offset: +01:00 (WAT)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1891-12-31

Local Mean Time (LMT): +00:52:56 based on geographic meridian

Total recorded transitions: 2 transitions across 3 distinct offsets

Associated countries: AO

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Historical Offset Step Chart (1880 to Present)

-1:00 +0:00 +1:00 +2:00 1880 1900 1920 1940 1960 1980 2000 2020

Text summary: Africa/Luanda shifted between 3 distinct offsets from 1891-12-31 through the modern era.

Complete Transition History (2 Transitions)

UTC Instant Local Wall Time Shift Abbreviation DST Effect
1891-12-31T23:07:04Z 1891-12-31 23:59:08 +00:52:56 → +00:52:04 LMT No overlap
1911-12-31T23:00:00Z 1912-01-01 00:00:00 +00:52:04 → +01:00 WAT No gap

Notes from the Maintainers

Source: backzone (Lines 346 to 351)
Angola

From Tim Parenti (2024-07-01), per Paul Eggert (2018-02-16):
For timestamps before independence, see commentary for Europe/Lisbon.

Attributed Statements:

Tim Parenti (2024-07-01):

For timestamps before independence, see commentary for Europe/Lisbon.

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.