Istanbul to Cerkno: time difference
Cerkno is 1 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 05:41 5:41 AM Cerkno 04:41 4:41 AM You –:–
05:41 5:41 AM
GMT+03:00 · UTC+3
☀️ 07:25 · 🌙 18:14
04:41 4:41 AM
Central European Summer Time · UTC+2
☀️ 07:32 · 🌙 18:06
·
−1 h
Cerkno is 1 h behind Istanbul.
When you, Istanbul and Cerkno 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
🇸🇮 Cerkno
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 | 🇸🇮 Cerkno |
|---|---|---|
| Local time | 05:41 | 04:41 |
| Local date | Friday, October 23, 2026 | Friday, October 23, 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/Ljubljana |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:25 | 07:32 |
| Sunset | 18:14 | 18:06 |
| Daylight | 10 h 49 min | 10 h 34 min |
| People on this clock | 15,701,602 | 1,800 |
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 Cerkno: common questions
What is the time difference between Istanbul and Cerkno?
Cerkno is 1 hour behind: it uses UTC+2, while Istanbul is on UTC+3.
What time is it in Cerkno at the start of the working day in Istanbul?
The working day in Istanbul starts at 9:00 AM; in Cerkno it is 8:00 AM at that moment.
What time is it in Cerkno when it is 6:00 PM in Istanbul?
When it is 6:00 PM in Istanbul, it is 5:00 PM in Cerkno.
When is a good time to call Cerkno from Istanbul?
Between 10:00 AM and 6:00 PM in Istanbul – that is 9:00 AM to 5:00 PM in Cerkno – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Istanbul is it still yesterday in Cerkno?
Before 1:00 AM in Istanbul, the date in Cerkno has not changed yet. From 11:00 PM in Cerkno, it is already the next day in Istanbul.
Does the time difference between Istanbul and Cerkno change?
Yes. The clocks change only in Cerkno. From October 25, 2026, Cerkno will be 2 hours behind Istanbul.
