Istanbul to Bad Honnef: time difference
Bad Honnef 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 01:04 1:04 AM Bad Honnef 00:04 12:04 AM You –:–
01:04 1:04 AM
GMT+03:00 · UTC+3
☀️ 07:21 · 🌙 18:18
00:04 12:04 AM
Central European Summer Time · UTC+2
☀️ 08:02 · 🌙 18:31
·
−1 h
Bad Honnef is 1 h behind Istanbul.
When you, Istanbul and Bad Honnef 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
🇩🇪 Bad Honnef
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 | 🇩🇪 Bad Honnef |
|---|---|---|
| Local time | 01:04 | 00:04 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 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/Berlin |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:21 | 08:02 |
| Sunset | 18:18 | 18:31 |
| Daylight | 10 h 57 min | 10 h 29 min |
| People on this clock | 15,701,602 | 24,845 |
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 Bad Honnef: common questions
What is the time difference between Istanbul and Bad Honnef?
Bad Honnef is 1 hour behind: it uses UTC+2, while Istanbul is on UTC+3.
What time is it in Bad Honnef when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 8:00 AM in Bad Honnef.
If it is 6:00 PM in Istanbul, what time is it in Bad Honnef?
At 6:00 PM in Istanbul, clocks in Bad Honnef show 5:00 PM.
Is there a time when both Istanbul and Bad Honnef are at work?
Yes: from 10:00 AM to 6:00 PM in Istanbul (9:00 AM to 5:00 PM in Bad Honnef), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Bad Honnef?
Until 1:00 AM in Istanbul it is still the previous day in Bad Honnef. The other way round, from 11:00 PM in Bad Honnef it is already the next day in Istanbul.
Does the time difference between Istanbul and Bad Honnef change?
Yes. The clocks change only in Bad Honnef. From October 25, 2026, Bad Honnef will be 2 hours behind Istanbul.
