Offset
The time difference between Istanbul and Santo Domingo is 7 hours.
Istanbul (TRT) is ahead of Santo Domingo (AST).
TRT: UTC+3
AST: UTC-4
Neither Istanbul nor Santo Domingo is currently observing daylight saving time.
When to schedule
Business-hours overlap: 4 PM–5 PM in Istanbul (9 AM–10 AM in Santo Domingo).
Both teams are in working hours during this window on weekdays.
Suggested time: 4:00 PM Istanbul (9:00 AM Santo Domingo).
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.
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
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
About these zones
Istanbul uses Turkey Time (TRT). To call Turkey, dial +90.
Santo Domingo uses Atlantic Standard Time. To call Dominican Republic, dial +1-809 and 1-829.
Santo Domingo is approximately 5,850 miles west of Istanbul.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Istanbul | Santo Domingo | Day |
|---|---|---|
| 12:00 am | 5:00 pm | -1 day |
| 1:00 am | 6:00 pm | -1 day |
| 2:00 am | 7:00 pm | -1 day |
| 3:00 am | 8:00 pm | -1 day |
| 4:00 am | 9:00 pm | -1 day |
| 5:00 am | 10:00 pm | -1 day |
| 6:00 am | 11:00 pm | -1 day |
| 7:00 am | 12:00 am | Same day |
| 8:00 am | 1:00 am | Same day |
| 9:00 am | 2:00 am | Same day |
| 10:00 am | 3:00 am | Same day |
| 11:00 am | 4:00 am | Same day |
| 12:00 pm | 5:00 am | Same day |
| 1:00 pm | 6:00 am | Same day |
| 2:00 pm | 7:00 am | Same day |
| 3:00 pm | 8:00 am | Same day |
| 4:00 pm | 9:00 am | Same day |
| 5:00 pm | 10:00 am | Same day |
| 6:00 pm | 11:00 am | Same day |
| 7:00 pm | 12:00 pm | Same day |
| 8:00 pm | 1:00 pm | Same day |
| 9:00 pm | 2:00 pm | Same day |
| 10:00 pm | 3:00 pm | Same day |
| 11:00 pm | 4:00 pm | Same day |
Daylight saving time
Neither Istanbul nor Santo Domingo 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
- 6:36 AM
- Sunset
- 7:31 PM
- Day length
- 12h 55m
- Sunrise
- 6:27 AM
- Sunset
- 6:52 PM
- Day length
- 12h 25m
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 Turkey Time
- IST
- SAW
- ESB
- YEI
- ADB
- GZT
- DIY
- ADA
- COV
- ASR
Airports in Atlantic Standard Time
- JBQ
- SDQ
Related conversions
Common conversions
- What is 9:00 am Istanbul in Santo Domingo?
- 9:00 am Istanbul is 2:00 am Santo Domingo.
- What is 12:00 pm Istanbul in Santo Domingo?
- 12:00 pm Istanbul is 5:00 am Santo Domingo.
- What is 12:30 pm Istanbul in Santo Domingo?
- 12:30 pm Istanbul is 5:30 am Santo Domingo.
- What is 2:00 pm Istanbul in Santo Domingo?
- 2:00 pm Istanbul is 7:00 am Santo Domingo.
- What is 5:00 pm Istanbul in Santo Domingo?
- 5:00 pm Istanbul is 10:00 am Santo Domingo.
- What is 11:30 pm Istanbul in Santo Domingo?
- 11:30 pm Istanbul is 4:30 pm Santo Domingo.