Groningen to Istanbul: time difference
Istanbul is 1 h ahead of Groningen. 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.
Groningen 15:00 3:00 PM Istanbul 16:00 4:00 PM You –:–
15:00 3:00 PM
Central European Summer Time · UTC+2
☀️ 07:51 · 🌙 18:52
16:00 4:00 PM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
·
+1 h
Istanbul is 1 h ahead of Groningen.
When you, Groningen 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
🇳🇱 Groningen
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 | 🇳🇱 Groningen | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 15:00 | 16:00 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central European Summer Time | GMT+03:00 |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Groningen | — | +1 h |
| IANA zone | Europe/Amsterdam | Europe/Istanbul |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:51 | 07:10 |
| Sunset | 18:52 | 18:33 |
| Daylight | 11 h | 11 h 23 min |
| People on this clock | 201,242 | 15,701,602 |
Compare Groningen with another city
More comparisons with Groningen: the time zones next to it and the far side of the clock.
Big time differences
Groningen and Istanbul: common questions
How far ahead of Groningen is Istanbul?
Istanbul is 1 hour ahead of Groningen: UTC+3 against UTC+2.
What time is it in Istanbul at the start of the working day in Groningen?
The working day in Groningen starts at 9:00 AM; in Istanbul it is 10:00 AM at that moment.
What time is it in Istanbul at the end of the working day in Groningen?
The working day in Groningen ends at 6:00 PM; in Istanbul it is 7:00 PM at that moment.
When is a good time to call Istanbul from Groningen?
Between 9:00 AM and 5:00 PM in Groningen – that is 10:00 AM to 6:00 PM in Istanbul – both places are within working hours (9:00 AM–6:00 PM).
From what time in Groningen is it tomorrow in Istanbul?
Once it is 11:00 PM in Groningen, the date in Istanbul has already changed. Until 1:00 AM in Istanbul, it is still the previous day in Groningen.
Does the time gap between Groningen and Istanbul change during the year?
Yes – daylight saving time is used in Groningen but not in Istanbul. From October 25, 2026, Istanbul will be 2 hours ahead of Groningen.
