Offset
The time difference between Ottawa and Istanbul is 7 hours.
Ottawa (EDT) is behind Istanbul (TRT).
EDT: UTC-4
TRT: UTC+3
Ottawa is currently observing daylight saving time; Istanbul is not.
When to schedule
Business-hours overlap: 9 AM–10 AM in Ottawa (4 PM–5 PM in Istanbul).
Both teams are in working hours during this window on weekdays.
Suggested time: 9:00 AM Ottawa (4:00 PM Istanbul).
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.
Canada
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Victoria DayMon, May 18
- Canada DayWed, Jul 1
- Labour DayMon, Sep 7
- National Day for Truth and ReconciliationWed, Sep 30
- ThanksgivingMon, Oct 12
- 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
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Ottawa | 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
Ottawa observes daylight saving time; Istanbul does not. The offset between the two zones changes when Ottawa transitions: on Sunday, November 1, 2026, clocks fall back from EDT to EST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:34 AM
- Sunset
- 8:45 PM
- Day length
- 15h 11m
- Sunrise
- 5:49 AM
- Sunset
- 8:33 PM
- Day length
- 14h 44m
Daylight overlap: 7h 59m — 5:34 AM–1:33 PM in Ottawa (12:34 PM–8:33 PM in Istanbul). Both locations are in daylight during this window.
Cities in these zones
Other cities in Eastern Time
Other cities in Turkey Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Eastern Time
- YTZ
- YYZ
- YHU
- YMX
- YUL
- YND
- YOW
- YRO
Airports in Turkey Time
- IST
- SAW
- ESB
- YEI
- ADB
- GZT
- DIY
- ADA
- COV
- ASR
Related conversions
Common conversions
- What is 9:00 am Ottawa in Istanbul?
- 9:00 am Ottawa is 4:00 pm Istanbul.
- What is 12:00 pm Ottawa in Istanbul?
- 12:00 pm Ottawa is 7:00 pm Istanbul.
- What is 12:30 pm Ottawa in Istanbul?
- 12:30 pm Ottawa is 7:30 pm Istanbul.
- What is 2:00 pm Ottawa in Istanbul?
- 2:00 pm Ottawa is 9:00 pm Istanbul.
- What is 5:00 pm Ottawa in Istanbul?
- 5:00 pm Ottawa is 12:00 am Istanbul, the next day.
- What is 11:30 pm Ottawa in Istanbul?
- 11:30 pm Ottawa is 6:30 am Istanbul, the next day.