Lisbon to Grundarfjordur: time difference
Grundarfjordur is 1 h behind Lisbon. 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.
Lisbon 19:04 7:04 PM Grundarfjordur 18:04 6:04 PM You –:–
19:04 7:04 PM
Western European Summer Time · UTC+1
☀️ 07:47 · 🌙 18:59
18:04 6:04 PM
Greenwich Mean Time · UTC+0
☀️ 08:29 · 🌙 18:10
·
−1 h
Grundarfjordur is 1 h behind Lisbon.
When you, Lisbon 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
🇵🇹 Lisbon
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
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 | 🇵🇹 Lisbon | 🇮🇸 Grundarfjordur |
|---|---|---|
| Local time | 19:04 | 18:04 |
| Local date | Friday, October 16, 2026 | Friday, October 16, 2026 |
| Time zone | Western European Summer Time | Greenwich Mean Time |
| UTC offset | UTC+1 | UTC+0 |
| Offset from Lisbon | — | −1 h |
| IANA zone | Europe/Lisbon | Atlantic/Reykjavik |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:47 | 08:29 |
| Sunset | 18:59 | 18:10 |
| Daylight | 11 h 11 min | 9 h 41 min |
| People on this clock | 545,923 | 800 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Grundarfjordur: common questions
What is the time difference between Lisbon and Grundarfjordur?
Grundarfjordur is 1 hour behind: it uses UTC+0, while Lisbon is on UTC+1.
What time is it in Grundarfjordur when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 8:00 AM in Grundarfjordur.
What time is it in Grundarfjordur at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Grundarfjordur it is 5:00 PM at that moment.
When is a good time to call Grundarfjordur from Lisbon?
Between 10:00 AM and 6:00 PM in Lisbon – that is 9:00 AM to 5:00 PM in Grundarfjordur – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Lisbon is it still yesterday in Grundarfjordur?
Before 1:00 AM in Lisbon, the date in Grundarfjordur has not changed yet. From 11:00 PM in Grundarfjordur, it is already the next day in Lisbon.
Does the time gap between Lisbon and Grundarfjordur change during the year?
Yes – daylight saving time is used in Lisbon but not in Grundarfjordur. From October 25, 2026, Grundarfjordur and Lisbon will have the same time.
