Istanbul to Grimstad: time difference
Grimstad 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 19:27 7:27 PM Grimstad 18:27 6:27 PM You –:–
19:27 7:27 PM
GMT+03:00 · UTC+3
☀️ 07:18 · 🌙 18:22
18:27 6:27 PM
Central European Summer Time · UTC+2
☀️ 08:06 · 🌙 18:18
·
−1 h
Grimstad is 1 h behind Istanbul.
When you, Istanbul and Grimstad 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
🇳🇴 Grimstad
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 | 🇳🇴 Grimstad |
|---|---|---|
| Local time | 19:27 | 18:27 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 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/Oslo |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:18 | 08:06 |
| Sunset | 18:22 | 18:18 |
| Daylight | 11 h 5 min | 10 h 12 min |
| People on this clock | 15,701,602 | 25,093 |
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 Grimstad: common questions
How far behind Istanbul is Grimstad?
Grimstad is 1 hour behind Istanbul: UTC+2 against UTC+3.
What time is it in Grimstad at the start of the working day in Istanbul?
The working day in Istanbul starts at 9:00 AM; in Grimstad it is 8:00 AM at that moment.
What time is it in Grimstad at the end of the working day in Istanbul?
The working day in Istanbul ends at 6:00 PM; in Grimstad it is 5:00 PM at that moment.
When is a good time to call Grimstad from Istanbul?
Between 10:00 AM and 6:00 PM in Istanbul – that is 9:00 AM to 5:00 PM in Grimstad – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Grimstad?
Until 1:00 AM in Istanbul it is still the previous day in Grimstad. The other way round, from 11:00 PM in Grimstad it is already the next day in Istanbul.
Does the time difference between Istanbul and Grimstad change?
Yes. The clocks change only in Grimstad. From October 25, 2026, Grimstad will be 2 hours behind Istanbul.
