Porto Alegre to Reykjavik: time difference
Reykjavik is 3 h ahead of Porto Alegre. 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.
Porto Alegre 23:43 11:43 PM Reykjavik 02:43 2:43 AM You –:–
23:43 11:43 PM
Brasilia Standard Time · UTC-3
☀️ 05:54 · 🌙 18:31
02:43 2:43 AM
Greenwich Mean Time · UTC+0
☀️ 08:03 · 🌙 18:28
·
+3 h
Reykjavik is 3 h ahead of Porto Alegre.
When you, Porto Alegre and Reykjavik are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Porto Alegre
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
🇮🇸 Reykjavik
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Porto Alegre | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 23:43 | 02:43 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Porto Alegre | — | +3 h |
| IANA zone | America/Sao Paulo | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:54 | 08:03 |
| Sunset | 18:31 | 18:28 |
| Daylight | 12 h 37 min | 10 h 25 min |
| People on this clock | 1,332,833 | 136,894 |
Compare Porto Alegre with another city
More comparisons with Porto Alegre: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Porto Alegre and Reykjavik: common questions
How far ahead of Porto Alegre is Reykjavik?
Reykjavik is 3 hours ahead of Porto Alegre: UTC+0 against UTC−3.
What time is it in Reykjavik when it is 9:00 AM in Porto Alegre?
When it is 9:00 AM in Porto Alegre, it is 12:00 PM in Reykjavik.
What time is it in Reykjavik at the end of the working day in Porto Alegre?
The working day in Porto Alegre ends at 6:00 PM; in Reykjavik it is 9:00 PM at that moment.
When is a good time to call Reykjavik from Porto Alegre?
Between 9:00 AM and 3:00 PM in Porto Alegre – that is 12:00 PM to 6:00 PM in Reykjavik – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Reykjavik?
From 9:00 PM in Porto Alegre it is already the next day in Reykjavik. The other way round, until 3:00 AM in Reykjavik it is still the previous day in Porto Alegre.
Does the time difference between Porto Alegre and Reykjavik change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
