Postojna to Istanbul: time difference
Istanbul is 1 h ahead of Postojna. 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.
Postojna 04:17 4:17 AM Istanbul 05:17 5:17 AM You –:–
04:17 4:17 AM
Central European Summer Time · UTC+2
☀️ 07:13 · 🌙 18:29
05:17 5:17 AM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
·
+1 h
Istanbul is 1 h ahead of Postojna.
When you, Postojna 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
🇸🇮 Postojna
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 | 🇸🇮 Postojna | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 04:17 | 05:17 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central European Summer Time | GMT+03:00 |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Postojna | — | +1 h |
| IANA zone | Europe/Ljubljana | Europe/Istanbul |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:13 | 07:10 |
| Sunset | 18:29 | 18:33 |
| Daylight | 11 h 15 min | 11 h 23 min |
| People on this clock | 9,600 | 15,701,602 |
Compare Postojna with another city
More comparisons with Postojna: the time zones next to it and the far side of the clock.
Big time differences
Postojna and Istanbul: common questions
What is the time difference between Postojna and Istanbul?
Istanbul is 1 hour ahead: it uses UTC+3, while Postojna is on UTC+2.
What time is it in Istanbul at the start of the working day in Postojna?
The working day in Postojna starts at 9:00 AM; in Istanbul it is 10:00 AM at that moment.
If it is 6:00 PM in Postojna, what time is it in Istanbul?
At 6:00 PM in Postojna, clocks in Istanbul show 7:00 PM.
When is a good time to call Istanbul from Postojna?
Between 9:00 AM and 5:00 PM in Postojna – that is 10:00 AM to 6:00 PM in Istanbul – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Istanbul?
From 11:00 PM in Postojna it is already the next day in Istanbul. The other way round, until 1:00 AM in Istanbul it is still the previous day in Postojna.
Is the time difference between Postojna and Istanbul the same all year?
No. Only Postojna switches to summer time, so the gap changes twice a year. From October 25, 2026, Istanbul will be 2 hours ahead of Postojna.
