Bielefeld to Istanbul: time difference
Istanbul is 1 h ahead of Bielefeld. 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.
Bielefeld 09:23 9:23 AM Istanbul 10:23 10:23 AM You –:–
09:23 9:23 AM
Central European Summer Time · UTC+2
☀️ 07:42 · 🌙 18:45
10:23 10:23 AM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
·
+1 h
Istanbul is 1 h ahead of Bielefeld.
When you, Bielefeld 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
🇩🇪 Bielefeld
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 | 🇩🇪 Bielefeld | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 09:23 | 10:23 |
| 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 Bielefeld | — | +1 h |
| IANA zone | Europe/Berlin | Europe/Istanbul |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:42 | 07:10 |
| Sunset | 18:45 | 18:33 |
| Daylight | 11 h 3 min | 11 h 23 min |
| People on this clock | 328,012 | 15,701,602 |
Compare Bielefeld with another city
More comparisons with Bielefeld: the time zones next to it and the far side of the clock.
Big time differences
Bielefeld and Istanbul: common questions
What is the time difference between Bielefeld and Istanbul?
Istanbul is 1 hour ahead: it uses UTC+3, while Bielefeld is on UTC+2.
What time is it in Istanbul when it is 9:00 AM in Bielefeld?
When it is 9:00 AM in Bielefeld, it is 10:00 AM in Istanbul.
What time is it in Istanbul when it is 6:00 PM in Bielefeld?
When it is 6:00 PM in Bielefeld, it is 7:00 PM in Istanbul.
Is there a time when both Bielefeld and Istanbul are at work?
Yes: from 9:00 AM to 5:00 PM in Bielefeld (10:00 AM to 6:00 PM in Istanbul), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Istanbul?
From 11:00 PM in Bielefeld 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 Bielefeld.
Is the time difference between Bielefeld and Istanbul the same all year?
No. Only Bielefeld switches to summer time, so the gap changes twice a year. From October 25, 2026, Istanbul will be 2 hours ahead of Bielefeld.
