Koszalin to Istanbul: time difference
Istanbul is 1 h ahead of Koszalin. 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.
Koszalin 02:03 2:03 AM Istanbul 03:03 3:03 AM You –:–
02:03 2:03 AM
Central European Summer Time · UTC+2
☀️ 07:29 · 🌙 17:53
03:03 3:03 AM
GMT+03:00 · UTC+3
☀️ 07:19 · 🌙 18:21
·
+1 h
Istanbul is 1 h ahead of Koszalin.
When you, Koszalin and Istanbul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇱 Koszalin
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
🇹🇷 Istanbul
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇱 Koszalin | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 02:03 | 03:03 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central European Summer Time | GMT+03:00 |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Koszalin | — | +1 h |
| IANA zone | Europe/Warsaw | Europe/Istanbul |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:29 | 07:19 |
| Sunset | 17:53 | 18:21 |
| Daylight | 10 h 24 min | 11 h 2 min |
| People on this clock | 105,143 | 15,701,602 |
Compare Koszalin with another city
More comparisons with Koszalin: the time zones next to it and the far side of the clock.
Big time differences
Koszalin and Istanbul: common questions
How many hours ahead of Koszalin is Istanbul?
The clocks in Istanbul are 1 hour ahead of those in Koszalin (UTC+3 and UTC+2).
If it is 9:00 AM in Koszalin, what time is it in Istanbul?
At 9:00 AM in Koszalin, clocks in Istanbul show 10:00 AM.
What time is it in Istanbul when it is 6:00 PM in Koszalin?
When it is 6:00 PM in Koszalin, it is 7:00 PM in Istanbul.
When is a good time to call Istanbul from Koszalin?
Between 9:00 AM and 5:00 PM in Koszalin – that is 10:00 AM to 6:00 PM in Istanbul – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Istanbul compared with Koszalin?
The new day starts in Istanbul earlier: at 11:00 PM in Koszalin it is already midnight there. Until 1:00 AM in Istanbul, Koszalin is still on the previous day.
Is the time difference between Koszalin and Istanbul the same all year?
No. Only Koszalin switches to summer time, so the gap changes twice a year. From October 25, 2026, Istanbul will be 2 hours ahead of Koszalin.
