Time Zone Abbreviations
140 time zone abbreviations
| Abbreviation | Name | Offset | In use now |
|---|---|---|---|
| BIT | Baker Island Time | UTC−12 | Yes |
| SST | Samoa Standard Time | UTC−11 | Yes |
| HAST | Hawaii–Aleutian Standard Time | UTC−10 | No |
| HST | Hawaii Standard Time | UTC−10 | Yes |
| MART | Marquesas Time | UTC−9:30 | Yes |
| AKST | Alaska Standard Time | UTC−9 | No |
| HDT | Hawaii–Aleutian Daylight Time | UTC−9 | Yes |
| AKDT | Alaska Daylight Time | UTC−8 | Yes |
| PST | Pacific Standard Time | UTC−8 | No |
| MST | Mountain Standard Time | UTC−7 | No |
| PDT | Pacific Daylight Time | UTC−7 | Yes |
| CST | Central Standard Time | UTC−6 | No |
| MDT | Mountain Daylight Time | UTC−6 | Yes |
| CDT | Central Daylight Time | UTC−5 | Yes |
| EST | Eastern Standard Time | UTC−5 | No |
| AST | Atlantic Standard Time | UTC−4 | Yes |
| AST | Atlantic Standard Time | UTC−4 | No |
| BOT | Bolivia Time | UTC−4 | Yes |
| CLT | Chile Standard Time | UTC−4 | No |
| EDT | Eastern Daylight Time | UTC−4 | Yes |
| VET | Venezuelan Standard Time | UTC−4 | Yes |
| ADT | Atlantic Daylight Time | UTC−3 | Yes |
| ART | Argentina Time | UTC−3 | Yes |
| BRT | Brasília Time | UTC−3 | Yes |