Istanbul to Kolonnawa: time difference
Kolonnawa is 2 h 30 min ahead of Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 00:09 12:09 AM Kolonnawa 02:39 2:39 AM You –:–
00:09 12:09 AM
Türkiye Standard Time · UTC+3
☀️ 07:30 · 🌙 18:07
02:39 2:39 AM
India Standard Time · UTC+5:30
☀️ 05:58 · 🌙 17:52
·
+2 h 30 min
Kolonnawa is 2 h 30 min ahead of Istanbul.
When you, Istanbul and Kolonnawa are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇷 Istanbul
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇱🇰 Kolonnawa
2:30 2:30 AM 3:30 3:30 AM 4:30 4:30 AM 5:30 5:30 AM 6:30 6:30 AM 7:30 7:30 AM 8:30 8:30 AM 9:30 9:30 AM 10:30 10:30 AM 11:30 11:30 AM 12:30 12:30 PM 13:30 1:30 PM 14:30 2:30 PM 15:30 3:30 PM 16:30 4:30 PM 17:30 5:30 PM 18:30 6:30 PM 19:30 7:30 PM 20:30 8:30 PM 21:30 9:30 PM 22:30 10:30 PM 23:30 11:30 PM 0:30 12:30 AM 1:30 1:30 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇱🇰 Kolonnawa |
|---|---|---|
| Local time | 00:09 | 02:39 |
| Local date | Thursday, October 29, 2026 | Thursday, October 29, 2026 |
| Time zone | Türkiye Standard Time | India Standard Time |
| UTC offset | UTC+3 | UTC+5:30 |
| Offset from Istanbul | — | +2 h 30 min |
| IANA zone | Europe/Istanbul | Asia/Colombo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:30 | 05:58 |
| Sunset | 18:07 | 17:52 |
| Daylight | 10 h 36 min | 11 h 54 min |
| People on this clock | 15,701,602 | 64,800 |
Compare Istanbul with another city
More comparisons with Istanbul: the time zones next to it and the far side of the clock.
Big time differences
Istanbul and Kolonnawa: common questions
How many hours ahead of Istanbul is Kolonnawa?
The clocks in Kolonnawa are 2 hours and 30 minutes ahead of those in Istanbul (UTC+5:30 and UTC+3).
What time is it in Kolonnawa when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 11:30 AM in Kolonnawa.
What time is it in Kolonnawa at the end of the working day in Istanbul?
The working day in Istanbul ends at 6:00 PM; in Kolonnawa it is 8:30 PM at that moment.
When is a good time to call Kolonnawa from Istanbul?
Between 9:00 AM and 3:30 PM in Istanbul – that is 11:30 AM to 6:00 PM in Kolonnawa – both places are within working hours (9:00 AM–6:00 PM).
From what time in Istanbul is it tomorrow in Kolonnawa?
Once it is 9:30 PM in Istanbul, the date in Kolonnawa has already changed. Until 2:30 AM in Kolonnawa, it is still the previous day in Istanbul.
Does the time gap between Istanbul and Kolonnawa change during the year?
No, the clocks change neither in Istanbul nor in Kolonnawa, so the gap is 2 hours and 30 minutes all year round.
