Santo Domingo runs on UTC−4 (AST) every day of the year, with no daylight saving time.
Santo Domingo and your time
Santo Domingo at a glance
| Country | Dominican Republic |
|---|---|
| Region | Nacional |
| Capital of | the Dominican Republic |
| Time zone | America/Santo_Domingo |
| Abbreviation now | AST |
| UTC offset now | UTC−4 |
| Daylight saving time | Not observed since 1974 |
| Coordinates | 18.47° N, 69.89° W |
Time zone in Santo Domingo
Santo Domingo follows the America/Santo_Domingo time zone and stays on UTC−4 all year. Clocks here last changed for daylight saving time in 1974; the tz database lists no change after that.
As the capital of the Dominican Republic, Santo Domingo shares one clock with the whole country.
Clock changes in Santo Domingo, 2026 and 2027
No clock changes are scheduled in Santo Domingo for 2026 or 2027.
Santo Domingo time compared with major cities
When it is 9:00 AM in Santo Domingo, it is 1:00 PM in London, 12:00 AM (next day) in Sydney and 5:00 AM in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | 1 h behind | 1 h behind | Same time | 7 h |
| Los Angeles (United States) | --:-- | 4 h behind | 4 h behind | 3 h behind | 4 h |
| London (United Kingdom) | --:-- | 4 h ahead | 4 h ahead | 5 h ahead | 4 h |
| Paris (France) | --:-- | 5 h ahead | 5 h ahead | 6 h ahead | 3 h |
| Dubai (United Arab Emirates) | --:-- | 8 h ahead | 8 h ahead | 8 h ahead | None |
| Mumbai (India) | --:-- | 9 h 30 min ahead | 9 h 30 min ahead | 9 h 30 min ahead | None |
| Singapore | --:-- | 12 h ahead | 12 h ahead | 12 h ahead | None |
| Tokyo (Japan) | --:-- | 13 h ahead | 13 h ahead | 13 h ahead | None |
| Sydney (Australia) | --:-- | 15 h ahead | 15 h ahead | 14 h ahead | None |
| UTC | --:-- | 4 h ahead | 4 h ahead | 4 h ahead | 4 h |
Because Santo Domingo keeps one offset all year, any change in the gap comes from the other city’s daylight saving time. Compare the January and July columns.
Shared office hours counts the time when the clock reads between 9 AM and 5 PM in both cities on the same day.
Daylight in Santo Domingo
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Day length barely moves in Santo Domingo, from 11 hours 1 minute to 13 hours 14 minutes. Sunrise and sunset shift by less than an hour across the year.
Daylight through the year in Santo Domingo
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:44 AM | 6:51 PM | 12 h 7 min |
| June solstice | June 21 | 6:04 AM | 7:19 PM | 13 h 14 min |
| September equinox | September 22 | 6:29 AM | 6:36 PM | 12 h 7 min |
| December solstice | December 21 | 7:07 AM | 6:08 PM | 11 h 1 min |
Clock time and sun time in Santo Domingo
Santo Domingo lies close to the centre of its time zone, so the sun is highest at about 12:40 PM on standard time, close to clock noon.
Cities near Santo Domingo
All the places listed below keep the same time as Santo Domingo.
| City | Distance | Time now | Difference |
|---|---|---|---|
| San Cristobal | 23 km (15 mi) | --:-- | Same time |
| San Pedro de Macorís | 62 km (38 mi) | --:-- | Same time |
| La Romana | 98 km (61 mi) | --:-- | Same time |
| San Francisco de Macorís | 99 km (61 mi) | --:-- | Same time |
| Concepción de la Vega | 107 km (66 mi) | --:-- | Same time |
| Salvaleón de Higüey | 126 km (78 mi) | --:-- | Same time |
| Santiago de los Caballeros | 137 km (85 mi) | --:-- | Same time |
| Punta Cana | 157 km (98 mi) | --:-- | Same time |
Same time now, different rules
These places read the same time as Santo Domingo today but follow different rules, so they can drift apart when clocks change.
More cities in Dominican Republic
All time zones and cities in the Dominican Republic
Plan around the time in Santo Domingo
- Convert a time to or from Santo Domingo: pick a date and time and see it in every city on your list.
- Add Santo Domingo to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Santo Domingo and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Santo Domingo in?
Santo Domingo uses the America/Santo_Domingo time zone, which is UTC−4 (AST) all year.
Does Santo Domingo use daylight saving time?
Not any more. Santo Domingo last changed its clocks for daylight saving time in 1974 and now stays on UTC−4 all year.
What is the time difference between Santo Domingo and London?
Santo Domingo is 4 hours behind London in January and 5 hours behind London in July, because London moves its clocks for daylight saving time and Santo Domingo does not.
How long is the longest day in Santo Domingo?
About 13 hours 14 minutes, around the June solstice. The shortest day, around the December solstice, has about 11 hours 1 minute of daylight.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.