Iceland to Lisbon: time difference
Lisbon is 1 h ahead of Iceland. 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.
Iceland 04:04 4:04 AM Lisbon 05:04 5:04 AM You –:–
04:04 4:04 AM
Greenwich Mean Time · UTC+0
☀️ 08:03 · 🌙 18:28
05:04 5:04 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
·
+1 h
Lisbon is 1 h ahead of Iceland.
When you, Iceland 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
🇮🇸 Iceland
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 | 🇮🇸 Iceland | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 04:04 | 05:04 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Greenwich Mean Time | Western European Summer Time |
| UTC offset | UTC+0 | UTC+1 |
| Offset from Iceland | — | +1 h |
| IANA zone | Atlantic/Reykjavik | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 08:03 | 07:41 |
| Sunset | 18:28 | 19:07 |
| Daylight | 10 h 25 min | 11 h 26 min |
| People on this clock | 364,260 | 545,923 |
Compare Iceland with another city
More comparisons with Iceland: the time zones next to it and the far side of the clock.
Big time differences
Iceland and Lisbon: common questions
How far ahead of Iceland is Lisbon?
Lisbon is 1 hour ahead of Iceland: UTC+1 against UTC+0.
If it is 9:00 AM in Iceland, what time is it in Lisbon?
At 9:00 AM in Iceland, clocks in Lisbon show 10:00 AM.
If it is 6:00 PM in Iceland, what time is it in Lisbon?
At 6:00 PM in Iceland, clocks in Lisbon show 7:00 PM.
When is a good time to call Lisbon from Iceland?
Between 9:00 AM and 5:00 PM in Iceland – that is 10:00 AM to 6:00 PM in Lisbon – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Lisbon compared with Iceland?
The new day starts in Lisbon earlier: at 11:00 PM in Iceland it is already midnight there. Until 1:00 AM in Lisbon, Iceland is still on the previous day.
Is the time difference between Iceland 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 Iceland will have the same time.
