Time zones in Atlantic
Index of time zones in Atlantic region
Below are listed the time zones in Atlantic region in alphabetical order. It is possible for two timezones in the same region to have the same time zone abbreviation. Such cases will be listed also.
| Abbreviation | Full name | Location | Time zone |
|---|---|---|---|
| ADT | Atlantic Daylight Time | Atlantic | UTC - 3 hours |
| AST | Atlantic Standard Time | Atlantic | UTC - 4 hours |
| AZOST | Azores Summer Time | Atlantic | UTC |
| AZOT | Azores Time | Atlantic | UTC - 1 hour |
| HAA | Heure Avancée de l'Atlantique | Atlantic | UTC - 3 hours |
| HNA | Heure Normale de l'Atlantique | Atlantic | UTC - 4 hours |