Istanbul to Slangerup: time difference
Slangerup is 1 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇩🇰 Slangerup, Denmark
06
- Central European Summer Time
- UTC+2
- Daytime
☀️ 07:48 · 🌙 18:06 · 10 h 18 min
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 10:51 10:51 AM Slangerup 09:51 9:51 AM You –:–
10:51 10:51 AM
GMT+03:00 · UTC+3
☀️ 07:19 · 🌙 18:21
09:51 9:51 AM
Central European Summer Time · UTC+2
☀️ 07:48 · 🌙 18:06
·
−1 h
Slangerup is 1 h behind Istanbul.
When you, Istanbul and Slangerup 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
🇩🇰 Slangerup
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 | 🇩🇰 Slangerup |
|---|---|---|
| Local time | 10:51 | 09:51 |
| 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 | 07:48 |
| Sunset | 18:21 | 18:06 |
| Daylight | 11 h 2 min | 10 h 18 min |
| People on this clock | 15,701,602 | 6,800 |
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 Slangerup: common questions
How many hours behind Istanbul is Slangerup?
The clocks in Slangerup are 1 hour behind those in Istanbul (UTC+2 and UTC+3).
If it is 9:00 AM in Istanbul, what time is it in Slangerup?
At 9:00 AM in Istanbul, clocks in Slangerup show 8:00 AM.
What time is it in Slangerup at the end of the working day in Istanbul?
The working day in Istanbul ends at 6:00 PM; in Slangerup it is 5:00 PM at that moment.
When is a good time to call Slangerup from Istanbul?
Between 10:00 AM and 6:00 PM in Istanbul – that is 9:00 AM to 5:00 PM in Slangerup – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Slangerup?
Until 1:00 AM in Istanbul it is still the previous day in Slangerup. The other way round, from 11:00 PM in Slangerup it is already the next day in Istanbul.
Is the time difference between Istanbul and Slangerup the same all year?
No. Only Slangerup switches to summer time, so the gap changes twice a year. From October 25, 2026, Slangerup will be 2 hours behind Istanbul.
