Offset
The time difference between Santo Domingo and Central Time is 1 hour.
Santo Domingo (AST) is ahead of Central Time (CDT).
AST: UTC-4
CDT: UTC-5
Central Time is currently observing daylight saving time; Santo Domingo is not.
When to schedule
Business-hours overlap: 10 AM–5 PM in Santo Domingo (9 AM–4 PM in Central Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Santo Domingo (12:00 PM Central Time).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Dominican Republic
- New Year's DayThu, Jan 1
- Day of KingsTue, Jan 6
- Our Lady of AltagraciaWed, Jan 21
- Duarte's BirthdayMon, Jan 26
- Independence DayFri, Feb 27
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- Mother's DayThu, May 28
- Corpus ChristiThu, Jun 4
- Restoration DaySun, Aug 16
- Our Lady of MercyThu, Sep 24
- Constitution DayFri, Nov 6
- Christmas DayFri, Dec 25
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
About these zones
Santo Domingo uses Atlantic Standard Time. To call Dominican Republic, dial +1-809 and 1-829.
Central Time is also known as CST, or CDT. To call United States, dial +1.
Central Time is approximately 1,900 miles northwest of Santo Domingo.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Santo Domingo | CST | Day |
|---|---|---|
| 12:00 am | 11:00 pm | -1 day |
| 1:00 am | 12:00 am | Same day |
| 2:00 am | 1:00 am | Same day |
| 3:00 am | 2:00 am | Same day |
| 4:00 am | 3:00 am | Same day |
| 5:00 am | 4:00 am | Same day |
| 6:00 am | 5:00 am | Same day |
| 7:00 am | 6:00 am | Same day |
| 8:00 am | 7:00 am | Same day |
| 9:00 am | 8:00 am | Same day |
| 10:00 am | 9:00 am | Same day |
| 11:00 am | 10:00 am | Same day |
| 12:00 pm | 11:00 am | Same day |
| 1:00 pm | 12:00 pm | Same day |
| 2:00 pm | 1:00 pm | Same day |
| 3:00 pm | 2:00 pm | Same day |
| 4:00 pm | 3:00 pm | Same day |
| 5:00 pm | 4:00 pm | Same day |
| 6:00 pm | 5:00 pm | Same day |
| 7:00 pm | 6:00 pm | Same day |
| 8:00 pm | 7:00 pm | Same day |
| 9:00 pm | 8:00 pm | Same day |
| 10:00 pm | 9:00 pm | Same day |
| 11:00 pm | 10:00 pm | Same day |
Daylight saving time
Central Time observes daylight saving time; Santo Domingo does not. The offset between the two zones changes when Central Time transitions: on Sunday, November 1, 2026, clocks fall back from CDT to CST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:14 AM
- Sunset
- 7:19 PM
- Day length
- 13h 5m
- Sunrise
- 5:33 AM
- Sunset
- 8:22 PM
- Day length
- 14h 48m
Daylight overlap: 12h 46m — 6:33 AM–7:19 PM in Santo Domingo (5:33 AM–6:19 PM in Central Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Central Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Atlantic Standard Time
- JBQ
- SDQ
Airports in Central Time
- GYY
- MDW
- ORD
- HOU
- IAH
- SAT
- DAL
- DFW
- AUS
- BNA
Related conversions
Common conversions
- What is 9:00 am Santo Domingo in CST?
- 9:00 am Santo Domingo is 8:00 am CST.
- What is 12:00 pm Santo Domingo in CST?
- 12:00 pm Santo Domingo is 11:00 am CST.
- What is 12:30 pm Santo Domingo in CST?
- 12:30 pm Santo Domingo is 11:30 am CST.
- What is 2:00 pm Santo Domingo in CST?
- 2:00 pm Santo Domingo is 1:00 pm CST.
- What is 5:00 pm Santo Domingo in CST?
- 5:00 pm Santo Domingo is 4:00 pm CST.
- What is 11:30 pm Santo Domingo in CST?
- 11:30 pm Santo Domingo is 10:30 pm CST.