Istanbul to Postojna: time difference
Postojna 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 06:10 6:10 AM Postojna 05:10 5:10 AM You –:–
06:10 6:10 AM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
05:10 5:10 AM
Central European Summer Time · UTC+2
☀️ 07:13 · 🌙 18:29
·
−1 h
Postojna is 1 h behind Istanbul.
When you, Istanbul and Postojna 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
🇸🇮 Postojna
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 | 🇸🇮 Postojna |
|---|---|---|
| Local time | 06:10 | 05:10 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 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 | 07:10 | 07:13 |
| Sunset | 18:33 | 18:29 |
| Daylight | 11 h 23 min | 11 h 15 min |
| People on this clock | 15,701,602 | 9,600 |
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 Postojna: common questions
How many hours behind Istanbul is Postojna?
The clocks in Postojna are 1 hour behind those in Istanbul (UTC+2 and UTC+3).
What time is it in Postojna at the start of the working day in Istanbul?
The working day in Istanbul starts at 9:00 AM; in Postojna it is 8:00 AM at that moment.
What time is it in Postojna at the end of the working day in Istanbul?
The working day in Istanbul ends at 6:00 PM; in Postojna it is 5:00 PM at that moment.
When do working hours in Istanbul and in Postojna 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 Postojna.
When is it still the previous day in Postojna?
Until 1:00 AM in Istanbul it is still the previous day in Postojna. The other way round, from 11:00 PM in Postojna it is already the next day in Istanbul.
Does the time difference between Istanbul and Postojna change?
Yes. The clocks change only in Postojna. From October 25, 2026, Postojna will be 2 hours behind Istanbul.
