Time Zone Abbreviations – Caribbean
| Abbreviation | Time zone name | Other names | Offset |
|---|---|---|---|
| AST | Atlantic Standard Time | AST, HNA | UTC -4 |
| AT | Atlantic Time | UTC -4:00 / -3:00 | |
| CDT | Cuba Daylight Time | UTC -4 | |
| CIDST | Cayman Islands Daylight Saving Time | UTC -4 | |
| CIST | Cayman Islands Standard Time | UTC -5 | |
| CST | Cuba Standard Time | UTC -5 | |
| EDT | Eastern Daylight Time | HAE, EDT | UTC -4 |
| EST | Eastern Standard Time | ET, HNE | UTC -5 |
| ET | Eastern Time | UTC -5:00 / -4:00 |