Where the America/Santo_Domingo time zone is used
Countries: 🇩🇴 Dominican Republic.
Largest cities on America/Santo_Domingo
Santo DomingoNacional
Santiago de los CaballerosSantiago Province
Santo Domingo OesteSanto Domingo Province
Santo Domingo EsteSanto Domingo Province
San Pedro de MacorísSan Pedro de Macorís
La RomanaLa Romana
San CristóbalSan Cristóbal
Puerto PlataPuerto Plata
San Francisco de MacorísDuarte Province
Salvaleón de HigüeyLa Altagracia Province
La VegaLa Vega
Punta CanaLa Altagracia Province
America/Santo_Domingo time zone
Atlantic Time
Atlantic Standard Time (AST)
IANA: America/Santo_Domingo · UTC−4
Daylight saving time in America/Santo_Domingo
America/Santo_Domingo does not use daylight saving time. The offset stays UTC−4 all year.
Sunrise and sunset in America/Santo_Domingo today
Sunrise 06:29 · Sunset 18:28
Daylight 11h 59m · Solar noon 12:29
Time in America/Santo_Domingo vs major world cities
| City | Local time | Difference from America/Santo_Domingo |
|---|
| New York | Thu | same time |
| Los Angeles | Thu | 3 hours behind |
| London | Thu | 5 hours ahead |
| Paris | Thu | 6 hours ahead |
| Dubai | Thu | 8 hours ahead |
| Mumbai | Thu | 9.5 hours ahead |
| Singapore | Fri | 12 hours ahead |
| Tokyo | Fri | 13 hours ahead |
| Sydney | Fri | 14 hours ahead |
| Johannesburg | Thu | 6 hours ahead |
| São Paulo | Thu | 1 hour ahead |
| Chicago | Thu | 1 hour behind |
What time zone is America/Santo_Domingo in?
America/Santo_Domingo is on Atlantic Time (AST, UTC−4). The IANA identifier is America/Santo_Domingo.
Does America/Santo_Domingo observe daylight saving time?
No. America/Santo_Domingo keeps UTC−4 all year, so its time difference with places that do change their clocks shifts by an hour twice a year.
America/Santo_Domingo in software and databases
Standard offset UTC−4, no daylight saving time (as of 2026).
October 2026 calendar for America/Santo_Domingo
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|
| | | 1 | 2 | 3 | 4 |
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 | |
Frequently asked questions about America/Santo_Domingo
What time zone is America/Santo_Domingo in?
Atlantic Time (AST), UTC−4; IANA zone America/Santo_Domingo.
Does America/Santo_Domingo have daylight saving time?
No, it stays on UTC−4 all year.