Offset
The time difference between Santo Domingo and Istanbul is 7 hours.
Santo Domingo (AST) is behind Istanbul (TRT).
AST: UTC-4
TRT: UTC+3
Neither Santo Domingo nor Istanbul is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–10 AM in Santo Domingo (4 PM–5 PM in Istanbul).
Both teams are in working hours during this window on weekdays.
Suggested time: 9:00 AM Santo Domingo (4:00 PM Istanbul).
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
Turkey
- New Year's DayThu, Jan 1
- National Independence & Children's DayThu, Apr 23
- Labour DayFri, May 1
- Atatürk Commemoration & Youth DayTue, May 19
- Democracy and National Unity DayWed, Jul 15
- Victory DaySun, Aug 30
- Republic DayThu, Oct 29
About these zones
Santo Domingo uses Atlantic Standard Time. To call Dominican Republic, dial +1-809 and 1-829.
Istanbul uses Turkey Time (TRT). To call Turkey, dial +90.
Istanbul is approximately 5,850 miles northeast of Santo Domingo.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Santo Domingo | Istanbul | Day |
|---|---|---|
| 12:00 am | 7:00 am | Same day |
| 1:00 am | 8:00 am | Same day |
| 2:00 am | 9:00 am | Same day |
| 3:00 am | 10:00 am | Same day |
| 4:00 am | 11:00 am | Same day |
| 5:00 am | 12:00 pm | Same day |
| 6:00 am | 1:00 pm | Same day |
| 7:00 am | 2:00 pm | Same day |
| 8:00 am | 3:00 pm | Same day |
| 9:00 am | 4:00 pm | Same day |
| 10:00 am | 5:00 pm | Same day |
| 11:00 am | 6:00 pm | Same day |
| 12:00 pm | 7:00 pm | Same day |
| 1:00 pm | 8:00 pm | Same day |
| 2:00 pm | 9:00 pm | Same day |
| 3:00 pm | 10:00 pm | Same day |
| 4:00 pm | 11:00 pm | Same day |
| 5:00 pm | 12:00 am | +1 day |
| 6:00 pm | 1:00 am | +1 day |
| 7:00 pm | 2:00 am | +1 day |
| 8:00 pm | 3:00 am | +1 day |
| 9:00 pm | 4:00 am | +1 day |
| 10:00 pm | 5:00 am | +1 day |
| 11:00 pm | 6:00 am | +1 day |
Daylight saving time
Neither Santo Domingo nor Istanbul observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:16 AM
- Sunset
- 7:18 PM
- Day length
- 13h 2m
- Sunrise
- 5:54 AM
- Sunset
- 8:29 PM
- Day length
- 14h 35m
Daylight overlap: 7h 13m — 6:16 AM–1:29 PM in Santo Domingo (1:16 PM–8:29 PM in Istanbul). Both locations are in daylight during this window.
Cities in these zones
Other cities in Turkey Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Atlantic Standard Time
- JBQ
- SDQ
Airports in Turkey Time
- IST
- SAW
- ESB
- YEI
- ADB
- GZT
- DIY
- ADA
- COV
- ASR
Related conversions
Common conversions
- What is 9:00 am Santo Domingo in Istanbul?
- 9:00 am Santo Domingo is 4:00 pm Istanbul.
- What is 12:00 pm Santo Domingo in Istanbul?
- 12:00 pm Santo Domingo is 7:00 pm Istanbul.
- What is 12:30 pm Santo Domingo in Istanbul?
- 12:30 pm Santo Domingo is 7:30 pm Istanbul.
- What is 2:00 pm Santo Domingo in Istanbul?
- 2:00 pm Santo Domingo is 9:00 pm Istanbul.
- What is 5:00 pm Santo Domingo in Istanbul?
- 5:00 pm Santo Domingo is 12:00 am Istanbul, the next day.
- What is 11:30 pm Santo Domingo in Istanbul?
- 11:30 pm Santo Domingo is 6:30 am Istanbul, the next day.