Istanbul to Ostrava: time difference
Ostrava is 1 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇨🇿 Ostrava, Czech Republic
45
- Central European Summer Time
- UTC+2
- Dawn
☀️ 07:01 · 🌙 18:09 · 11 h 8 min
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 08:08 8:08 AM Ostrava 07:08 7:08 AM You –:–
08:08 8:08 AM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
07:08 7:08 AM
Central European Summer Time · UTC+2
☀️ 07:01 · 🌙 18:09
·
−1 h
Ostrava is 1 h behind Istanbul.
When you, Istanbul and Ostrava 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
🇨🇿 Ostrava
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 | 🇨🇿 Ostrava |
|---|---|---|
| Local time | 08:08 | 07:08 |
| 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/Prague |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:10 | 07:01 |
| Sunset | 18:33 | 18:09 |
| Daylight | 11 h 23 min | 11 h 8 min |
| People on this clock | 15,701,602 | 304,880 |
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 Ostrava: common questions
What is the time difference between Istanbul and Ostrava?
Ostrava is 1 hour behind: it uses UTC+2, while Istanbul is on UTC+3.
If it is 9:00 AM in Istanbul, what time is it in Ostrava?
At 9:00 AM in Istanbul, clocks in Ostrava show 8:00 AM.
What time is it in Ostrava when it is 6:00 PM in Istanbul?
When it is 6:00 PM in Istanbul, it is 5:00 PM in Ostrava.
When is a good time to call Ostrava from Istanbul?
Between 10:00 AM and 6:00 PM in Istanbul – that is 9:00 AM to 5:00 PM in Ostrava – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Istanbul is it still yesterday in Ostrava?
Before 1:00 AM in Istanbul, the date in Ostrava has not changed yet. From 11:00 PM in Ostrava, it is already the next day in Istanbul.
Is the time difference between Istanbul and Ostrava the same all year?
No. Only Ostrava switches to summer time, so the gap changes twice a year. From October 25, 2026, Ostrava will be 2 hours behind Istanbul.
