Istanbul to Grundarfjordur: time difference
Grundarfjordur is 3 h behind Istanbul. 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.
Istanbul 21:05 9:05 PM Grundarfjordur 18:05 6:05 PM You –:–
21:05 9:05 PM
GMT+03:00 · UTC+3
☀️ 07:17 · 🌙 18:24
18:05 6:05 PM
Greenwich Mean Time · UTC+0
☀️ 08:29 · 🌙 18:10
·
−3 h
Grundarfjordur is 3 h behind Istanbul.
When you, Istanbul and Grundarfjordur 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
🇮🇸 Grundarfjordur
21 9 PM 22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇮🇸 Grundarfjordur |
|---|---|---|
| Local time | 21:05 | 18:05 |
| Local date | Friday, October 16, 2026 | Friday, October 16, 2026 |
| Time zone | GMT+03:00 | Greenwich Mean Time |
| UTC offset | UTC+3 | UTC+0 |
| Offset from Istanbul | — | −3 h |
| IANA zone | Europe/Istanbul | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:17 | 08:29 |
| Sunset | 18:24 | 18:10 |
| Daylight | 11 h 7 min | 9 h 41 min |
| People on this clock | 15,701,602 | 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 Grundarfjordur: common questions
What is the time difference between Istanbul and Grundarfjordur?
Grundarfjordur is 3 hours behind: it uses UTC+0, while Istanbul is on UTC+3.
What time is it in Grundarfjordur when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 6:00 AM in Grundarfjordur.
What time is it in Grundarfjordur at the end of the working day in Istanbul?
The working day in Istanbul ends at 6:00 PM; in Grundarfjordur it is 3:00 PM at that moment.
Is there a time when both Istanbul and Grundarfjordur are at work?
Yes: from 12:00 PM to 6:00 PM in Istanbul (9:00 AM to 3:00 PM in Grundarfjordur), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Grundarfjordur compared with Istanbul?
The new day starts in Grundarfjordur later: until 3:00 AM in Istanbul, it is still the previous day there. From 9:00 PM in Grundarfjordur, Istanbul is already on the next day.
Is the time difference between Istanbul and Grundarfjordur the same all year?
Yes. Neither Istanbul nor Grundarfjordur switches to summer time, so the gap is always 3 hours.
