Istanbul to Sonderborg: time difference
Sonderborg is 1 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇩🇰 Sonderborg, Denmark
13
- Central European Summer Time
- UTC+2
- Golden hour
☀️ 07:56 · 🌙 18:17 · 10 h 21 min
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 10:11 10:11 AM Sonderborg 09:11 9:11 AM You –:–
10:11 10:11 AM
GMT+03:00 · UTC+3
☀️ 07:19 · 🌙 18:21
09:11 9:11 AM
Central European Summer Time · UTC+2
☀️ 07:56 · 🌙 18:17
·
−1 h
Sonderborg is 1 h behind Istanbul.
When you, Istanbul and Sonderborg 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
🇩🇰 Sonderborg
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 | 🇩🇰 Sonderborg |
|---|---|---|
| Local time | 10:11 | 09:11 |
| 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/Copenhagen |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:19 | 07:56 |
| Sunset | 18:21 | 18:17 |
| Daylight | 11 h 2 min | 10 h 21 min |
| People on this clock | 15,701,602 | 27,785 |
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 Sonderborg: common questions
How many hours behind Istanbul is Sonderborg?
The clocks in Sonderborg are 1 hour behind those in Istanbul (UTC+2 and UTC+3).
What time is it in Sonderborg when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 8:00 AM in Sonderborg.
What time is it in Sonderborg when it is 6:00 PM in Istanbul?
When it is 6:00 PM in Istanbul, it is 5:00 PM in Sonderborg.
When is a good time to call Sonderborg from Istanbul?
Between 10:00 AM and 6:00 PM in Istanbul – that is 9:00 AM to 5:00 PM in Sonderborg – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Sonderborg?
Until 1:00 AM in Istanbul it is still the previous day in Sonderborg. The other way round, from 11:00 PM in Sonderborg it is already the next day in Istanbul.
Does the time difference between Istanbul and Sonderborg change?
Yes. The clocks change only in Sonderborg. From October 25, 2026, Sonderborg will be 2 hours behind Istanbul.
