Historically distinct IANA time zone
America/Danmarkshavn
- Countries
- Greenland
- GPS reference
- 76.77° N, 18.67° W
- Data source
- IANA europe
- Aliases
- None
- Rule groups
- EU
GreenlandNational Park (east coast)
Geographic context
Where this clock belongs
The map marks the IANA reference location and associated country, not a time-zone boundary.
GPS reference: 76.77° N, 18.67° W. Associated countries: GL.
The Wikipedia link provides additional context; it is not evidence for a historical claim. Transition data comes from the IANA source file.
Notes from the time database
The story behind the clock
These source notes describe a period or rule. They do not, by themselves, establish a causal claim for a particular clock change.
The following rules are for the European Union and for its predecessor organization, the European Communities. For brevity they are called "EU rules" elsewhere in this file.
Original IANA source file: europe.
A shared present
Same clock today, different past
These nearby zones follow the same current annual pattern, yet retain their own historical record.
Iceland · 1407 km from the reference location · Same annual clock since 1997
Mauritania · 6525 km from the reference location · Same annual clock since 1997
Senegal · 6906 km from the reference location · Same annual clock since 1997Civil-time record
Recorded changes over time
From 1916 to 1996 · 34 recorded transitions
Recurring daylight-saving changes are grouped separately when JavaScript is available.
Notable changes
One-off changes and transitions outside the recurring seasonal rhythm.
- -03:00 · -03Standard time applies
- -02:00 · -02Daylight saving time begins
- -03:00 · -03Standard time applies
- -02:00 · -02Daylight saving time begins
- -03:00 · -03Standard time applies
- -02:00 · -02Daylight saving time begins
Browse every recorded transition
| Local time after transition | Offset after | Abbreviation | Rule |
|---|---|---|---|
| 1916-07-27 22:14 | -03:00 | -03 | Standard time |
| 1980-04-06 03:00 | -02:00 | -02 | Daylight saving time |
| 1980-09-27 22:00 | -03:00 | -03 | Standard time |
| 1981-03-28 23:00 | -02:00 | -02 | Daylight saving time |
| 1981-09-26 22:00 | -03:00 | -03 | Standard time |
| 1982-03-27 23:00 | -02:00 | -02 | Daylight saving time |
| 1982-09-25 22:00 | -03:00 | -03 | Standard time |
| 1983-03-26 23:00 | -02:00 | -02 | Daylight saving time |
| 1983-09-24 22:00 | -03:00 | -03 | Standard time |
| 1984-03-24 23:00 | -02:00 | -02 | Daylight saving time |
| 1984-09-29 22:00 | -03:00 | -03 | Standard time |
| 1985-03-30 23:00 | -02:00 | -02 | Daylight saving time |
| 1985-09-28 22:00 | -03:00 | -03 | Standard time |
| 1986-03-29 23:00 | -02:00 | -02 | Daylight saving time |
| 1986-09-27 22:00 | -03:00 | -03 | Standard time |
| 1987-03-28 23:00 | -02:00 | -02 | Daylight saving time |
| 1987-09-26 22:00 | -03:00 | -03 | Standard time |
| 1988-03-26 23:00 | -02:00 | -02 | Daylight saving time |
| 1988-09-24 22:00 | -03:00 | -03 | Standard time |
| 1989-03-25 23:00 | -02:00 | -02 | Daylight saving time |
| 1989-09-23 22:00 | -03:00 | -03 | Standard time |
| 1990-03-24 23:00 | -02:00 | -02 | Daylight saving time |
| 1990-09-29 22:00 | -03:00 | -03 | Standard time |
| 1991-03-30 23:00 | -02:00 | -02 | Daylight saving time |
| 1991-09-28 22:00 | -03:00 | -03 | Standard time |
| 1992-03-28 23:00 | -02:00 | -02 | Daylight saving time |
| 1992-09-26 22:00 | -03:00 | -03 | Standard time |
| 1993-03-27 23:00 | -02:00 | -02 | Daylight saving time |
| 1993-09-25 22:00 | -03:00 | -03 | Standard time |
| 1994-03-26 23:00 | -02:00 | -02 | Daylight saving time |
| 1994-09-24 22:00 | -03:00 | -03 | Standard time |
| 1995-03-25 23:00 | -02:00 | -02 | Daylight saving time |
| 1995-09-23 22:00 | -03:00 | -03 | Standard time |
| 1996-01-01 03:00 | +00:00 | GMT | Standard time |