Istanbul to Kollam: time difference
Kollam 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.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 18:41 6:41 PM Kollam 21:11 9:11 PM You –:–
18:41 6:41 PM
GMT+03:00 · UTC+3
☀️ 07:18 · 🌙 18:22
21:11 9:11 PM
India Standard Time · UTC+5:30
☀️ 06:12 · 🌙 18:07
·
+2 h 30 min
Kollam is 2 h 30 min ahead of Istanbul.
When you, Istanbul and Kollam 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
🇮🇳 Kollam
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 | 🇮🇳 Kollam |
|---|---|---|
| Local time | 18:41 | 21:11 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | GMT+03:00 | India Standard Time |
| UTC offset | UTC+3 | UTC+5:30 |
| Offset from Istanbul | — | +2 h 30 min |
| IANA zone | Europe/Istanbul | Asia/Kolkata |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:18 | 06:12 |
| Sunset | 18:22 | 18:07 |
| Daylight | 11 h 5 min | 11 h 55 min |
| People on this clock | 15,701,602 | 367,107 |
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 Kollam: common questions
How many hours ahead of Istanbul is Kollam?
The clocks in Kollam are 2 hours and 30 minutes ahead of those in Istanbul (UTC+5:30 and UTC+3).
If it is 9:00 AM in Istanbul, what time is it in Kollam?
At 9:00 AM in Istanbul, clocks in Kollam show 11:30 AM.
What time is it in Kollam at the end of the working day in Istanbul?
The working day in Istanbul ends at 6:00 PM; in Kollam it is 8:30 PM at that moment.
When do working hours in Istanbul and in Kollam overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:30 PM in Istanbul, which is 11:30 AM to 6:00 PM in Kollam.
When does the date change in Kollam compared with Istanbul?
The new day starts in Kollam earlier: at 9:30 PM in Istanbul it is already midnight there. Until 2:30 AM in Kollam, Istanbul is still on the previous day.
Is the time difference between Istanbul and Kollam the same all year?
Yes. Neither Istanbul nor Kollam switches to summer time, so the gap is always 2 hours and 30 minutes.
