Pacific/Enderbury

Time zone identifier: Pacific/Enderbury

Current civil offset: +13:00 (+13)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1937-08-31

Total recorded transitions: 3 transitions across 4 distinct offsets

Historical Offset Step Chart (1880 to Present)

Text summary: Pacific/Enderbury shifted between 4 distinct offsets from 1937-08-31 through the modern era.

Complete Transition History (3 Transitions)

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1937-08-31T00:00:00Z`	`1937-08-30 12:00:00`	+00:00 → -12:00	`-12`	No	overlap
`1979-10-01T12:00:00Z`	`1979-10-01 01:00:00`	-12:00 → -11:00	`-11`	No	gap
`1994-12-31T11:00:00Z`	`1995-01-01 00:00:00`	-11:00 → +13:00	`+13`	No	gap

Notes from the Maintainers

Source: backzone (Lines 1728 to 1734)

Phoenix Islands, Kiribati
From Paul Eggert (2021-05-27):
Enderbury was inhabited 1860/1880s to mine guano, and 1938-03-06/1942-02-09
for aviation (ostensibly commercial, but military uses foreseen).
The 19th-century dates are approximate.  See Pacific/Kanton for
the currently inhabited representative for this timezone.

Attributed Statements:

Paul Eggert (2021-05-27):

Enderbury was inhabited 1860/1880s to mine guano, and 1938-03-06/1942-02-09 for aviation (ostensibly commercial, but military uses foreseen). The 19th-century dates are approximate. See Pacific/Kanton for the currently inhabited representative for this timezone.

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.