GMT-3 timing
GMT-03 is a time offset that subtracts 3 hours from Greenwich Mean Time (GMT).
It is observed in the ART, BRT, FKST, GFT, PMST, ROTT, SRT, UYT, WGST during standard time, and in the ADT, AMST, CLST, PYST during the other months (Daylight saving time).
Some locations use it year-round.
Time difference to GMT/UTC
-3 hours behind
Time zones with GMT-3
| Abbreviation | Name |
|---|---|
| ADT | Atlantic Daylight Time |
| AMST | Amazon Summer Time |
| ART | Argentina Time |
| BRT | Brasilia Time |
| CLST | Chile Summer Time |
| FKST | Falkland Islands Summer Time |
| GFT | French Guiana Time |
| PMST | Saint Pierre and Miquelon Standard Time |
| PYST | Paraguay Summer Time |
| ROTT | Rothera Research Station Time |
| SRT | Suriname Time |
| UYT | Uruguay Standard Time |
| WGST | West Greenland Time |
Iana Timezones where GMT-3 is currently observed
| America/Araguaina | America/Argentina/Buenos_Aires |
| America/Argentina/Catamarca | America/Argentina/Cordoba |
| America/Argentina/Jujuy | America/Argentina/La_Rioja |
| America/Argentina/Mendoza | America/Argentina/Rio_Gallegos |
| America/Argentina/Salta | America/Argentina/San_Juan |
| America/Argentina/San_Luis | America/Argentina/Tucuman |
| America/Argentina/Ushuaia | America/Bahia |
| America/Belem | America/Cayenne |
| America/Fortaleza | America/Glace_Bay |
| America/Goose_Bay | America/Halifax |
| America/Maceio | America/Moncton |
| America/Montevideo | America/Paramaribo |
| America/Punta_Arenas | America/Recife |
| America/Santarem | America/Sao_Paulo |
| America/Thule | Antarctica/Palmer |
| Antarctica/Rothera | Atlantic/Bermuda |
| Atlantic/Stanley |