America/Danmarkshavn

Time zone identifier: America/Danmarkshavn

Current civil offset: +00:00 (GMT)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1916-07-28

Local Mean Time (LMT): -01:14:40 based on geographic meridian

Total recorded transitions: 34 transitions across 4 distinct offsets

Associated countries: GL

Historical Offset Step Chart (1880 to Present)

Text summary: America/Danmarkshavn shifted between 4 distinct offsets from 1916-07-28 through the modern era.

Complete Transition History (34 Transitions)

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1916-07-28T01:14:40Z`	`1916-07-27 22:14:40`	-01:14:40 → -03:00	`-03`	No	overlap
`1980-04-06T05:00:00Z`	`1980-04-06 03:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1980-09-28T01:00:00Z`	`1980-09-27 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1981-03-29T01:00:00Z`	`1981-03-28 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1981-09-27T01:00:00Z`	`1981-09-26 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1982-03-28T01:00:00Z`	`1982-03-27 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1982-09-26T01:00:00Z`	`1982-09-25 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1983-03-27T01:00:00Z`	`1983-03-26 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1983-09-25T01:00:00Z`	`1983-09-24 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1984-03-25T01:00:00Z`	`1984-03-24 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1984-09-30T01:00:00Z`	`1984-09-29 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1985-03-31T01:00:00Z`	`1985-03-30 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1985-09-29T01:00:00Z`	`1985-09-28 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1986-03-30T01:00:00Z`	`1986-03-29 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1986-09-28T01:00:00Z`	`1986-09-27 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1987-03-29T01:00:00Z`	`1987-03-28 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1987-09-27T01:00:00Z`	`1987-09-26 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1988-03-27T01:00:00Z`	`1988-03-26 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1988-09-25T01:00:00Z`	`1988-09-24 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1989-03-26T01:00:00Z`	`1989-03-25 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1989-09-24T01:00:00Z`	`1989-09-23 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1990-03-25T01:00:00Z`	`1990-03-24 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1990-09-30T01:00:00Z`	`1990-09-29 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1991-03-31T01:00:00Z`	`1991-03-30 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1991-09-29T01:00:00Z`	`1991-09-28 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1992-03-29T01:00:00Z`	`1992-03-28 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1992-09-27T01:00:00Z`	`1992-09-26 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1993-03-28T01:00:00Z`	`1993-03-27 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1993-09-26T01:00:00Z`	`1993-09-25 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1994-03-27T01:00:00Z`	`1994-03-26 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1994-09-25T01:00:00Z`	`1994-09-24 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1995-03-26T01:00:00Z`	`1995-03-25 23:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1995-09-24T01:00:00Z`	`1995-09-23 22:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1996-01-01T03:00:00Z`	`1996-01-01 03:00:00`	-03:00 → +00:00	`GMT`	No	gap

Notes from the Maintainers

Source: europe (Lines 1178 to 1179)

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.