Istanbul to Kolin: time difference
Kolin is 1 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇨🇿 Kolin, Czech Republic
52
- Central European Summer Time
- UTC+2
- Daytime
☀️ 07:21 · 🌙 18:10 · 10 h 49 min
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 16:38 4:38 PM Kolin 15:38 3:38 PM You –:–
16:38 4:38 PM
GMT+03:00 · UTC+3
☀️ 07:16 · 🌙 18:25
15:38 3:38 PM
Central European Summer Time · UTC+2
☀️ 07:21 · 🌙 18:10
·
−1 h
Kolin is 1 h behind Istanbul.
When you, Istanbul and Kolin 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
🇨🇿 Kolin
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇨🇿 Kolin |
|---|---|---|
| Local time | 16:38 | 15:38 |
| Local date | Thursday, October 15, 2026 | Thursday, October 15, 2026 |
| Time zone | GMT+03:00 | Central European Summer Time |
| UTC offset | UTC+3 | UTC+2 |
| Offset from Istanbul | — | −1 h |
| IANA zone | Europe/Istanbul | Europe/Prague |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:16 | 07:21 |
| Sunset | 18:25 | 18:10 |
| Daylight | 11 h 10 min | 10 h 49 min |
| People on this clock | 15,701,602 | 30,826 |
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 Kolin: common questions
How many hours behind Istanbul is Kolin?
The clocks in Kolin are 1 hour behind those in Istanbul (UTC+2 and UTC+3).
If it is 9:00 AM in Istanbul, what time is it in Kolin?
At 9:00 AM in Istanbul, clocks in Kolin show 8:00 AM.
If it is 6:00 PM in Istanbul, what time is it in Kolin?
At 6:00 PM in Istanbul, clocks in Kolin show 5:00 PM.
When do working hours in Istanbul and in Kolin overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Istanbul, which is 9:00 AM to 5:00 PM in Kolin.
When does the date change in Kolin compared with Istanbul?
The new day starts in Kolin later: until 1:00 AM in Istanbul, it is still the previous day there. From 11:00 PM in Kolin, Istanbul is already on the next day.
Is the time difference between Istanbul and Kolin the same all year?
No. Only Kolin switches to summer time, so the gap changes twice a year. From October 25, 2026, Kolin will be 2 hours behind Istanbul.
