Grundarfjordur to Lisbon: time difference
Lisbon is 1 h ahead of Grundarfjordur. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇵🇹 Lisbon, Portugal
31
- Western European Summer Time
- UTC+1
- Golden hour
☀️ 07:47 · 🌙 18:59 · 11 h 11 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Grundarfjordur 17:06 5:06 PM Lisbon 18:06 6:06 PM You –:–
17:06 5:06 PM
Greenwich Mean Time · UTC+0
☀️ 08:29 · 🌙 18:10
18:06 6:06 PM
Western European Summer Time · UTC+1
☀️ 07:47 · 🌙 18:59
·
+1 h
Lisbon is 1 h ahead of Grundarfjordur.
When you, Grundarfjordur and Lisbon are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇮🇸 Grundarfjordur
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
🇵🇹 Lisbon
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 | 🇮🇸 Grundarfjordur | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 17:06 | 18:06 |
| Local date | Friday, October 16, 2026 | Friday, October 16, 2026 |
| Time zone | Greenwich Mean Time | Western European Summer Time |
| UTC offset | UTC+0 | UTC+1 |
| Offset from Grundarfjordur | — | +1 h |
| IANA zone | Atlantic/Reykjavik | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 08:29 | 07:47 |
| Sunset | 18:10 | 18:59 |
| Daylight | 9 h 41 min | 11 h 11 min |
| People on this clock | 800 | 545,923 |
Compare Grundarfjordur with another city
More comparisons with Grundarfjordur: the time zones next to it and the far side of the clock.
Big time differences
Grundarfjordur and Lisbon: common questions
How many hours ahead of Grundarfjordur is Lisbon?
The clocks in Lisbon are 1 hour ahead of those in Grundarfjordur (UTC+1 and UTC+0).
What time is it in Lisbon when it is 9:00 AM in Grundarfjordur?
When it is 9:00 AM in Grundarfjordur, it is 10:00 AM in Lisbon.
What time is it in Lisbon when it is 6:00 PM in Grundarfjordur?
When it is 6:00 PM in Grundarfjordur, it is 7:00 PM in Lisbon.
When do working hours in Grundarfjordur and in Lisbon overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Grundarfjordur, which is 10:00 AM to 6:00 PM in Lisbon.
When is it already the next day in Lisbon?
From 11:00 PM in Grundarfjordur it is already the next day in Lisbon. The other way round, until 1:00 AM in Lisbon it is still the previous day in Grundarfjordur.
Is the time difference between Grundarfjordur and Lisbon the same all year?
No. Only Lisbon switches to summer time, so the gap changes twice a year. From October 25, 2026, Lisbon and Grundarfjordur will have the same time.
