Istanbul to Hamm: time difference
Hamm 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 15:13 3:13 PM Hamm 14:13 2:13 PM You –:–
15:13 3:13 PM
GMT+03:00 · UTC+3
☀️ 07:19 · 🌙 18:21
14:13 2:13 PM
Central European Summer Time · UTC+2
☀️ 07:58 · 🌙 18:31
·
−1 h
Hamm is 1 h behind Istanbul.
When you, Istanbul and Hamm 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
🇩🇪 Hamm
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 | 🇩🇪 Hamm |
|---|---|---|
| Local time | 15:13 | 14:13 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 07:19 | 07:58 |
| Sunset | 18:21 | 18:31 |
| Daylight | 11 h 2 min | 10 h 33 min |
| People on this clock | 15,701,602 | 180,000 |
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 Hamm: common questions
What is the time difference between Istanbul and Hamm?
Hamm is 1 hour behind: it uses UTC+2, while Istanbul is on UTC+3.
What time is it in Hamm when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 8:00 AM in Hamm.
If it is 6:00 PM in Istanbul, what time is it in Hamm?
At 6:00 PM in Istanbul, clocks in Hamm show 5:00 PM.
Is there a time when both Istanbul and Hamm are at work?
Yes: from 10:00 AM to 6:00 PM in Istanbul (9:00 AM to 5:00 PM in Hamm), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Hamm?
Until 1:00 AM in Istanbul it is still the previous day in Hamm. The other way round, from 11:00 PM in Hamm it is already the next day in Istanbul.
Is the time difference between Istanbul and Hamm the same all year?
No. Only Hamm switches to summer time, so the gap changes twice a year. From October 25, 2026, Hamm will be 2 hours behind Istanbul.
