Hellerup to Istanbul: time difference
Istanbul is 1 h ahead of Hellerup. 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.
Hellerup 10:39 10:39 AM Istanbul 11:39 11:39 AM You –:–
10:39 10:39 AM
Central European Summer Time · UTC+2
☀️ 07:40 · 🌙 18:12
11:39 11:39 AM
GMT+03:00 · UTC+3
☀️ 07:16 · 🌙 18:25
·
+1 h
Istanbul is 1 h ahead of Hellerup.
When you, Hellerup 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
🇩🇰 Hellerup
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 | 🇩🇰 Hellerup | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 10:39 | 11:39 |
| Local date | Thursday, October 15, 2026 | Thursday, October 15, 2026 |
| Time zone | Central European Summer Time | GMT+03:00 |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Hellerup | — | +1 h |
| IANA zone | Europe/Copenhagen | Europe/Istanbul |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:40 | 07:16 |
| Sunset | 18:12 | 18:25 |
| Daylight | 10 h 32 min | 11 h 10 min |
| People on this clock | 75,805 | 15,701,602 |
Compare Hellerup with another city
More comparisons with Hellerup: the time zones next to it and the far side of the clock.
Big time differences
Hellerup and Istanbul: common questions
How far ahead of Hellerup is Istanbul?
Istanbul is 1 hour ahead of Hellerup: UTC+3 against UTC+2.
If it is 9:00 AM in Hellerup, what time is it in Istanbul?
At 9:00 AM in Hellerup, clocks in Istanbul show 10:00 AM.
If it is 6:00 PM in Hellerup, what time is it in Istanbul?
At 6:00 PM in Hellerup, clocks in Istanbul show 7:00 PM.
Is there a time when both Hellerup and Istanbul are at work?
Yes: from 9:00 AM to 5:00 PM in Hellerup (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 Hellerup 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 Hellerup.
Is the time difference between Hellerup and Istanbul the same all year?
No. Only Hellerup switches to summer time, so the gap changes twice a year. From October 25, 2026, Istanbul will be 2 hours ahead of Hellerup.
