Rio do Sul to Reykjavik: time difference
Reykjavik is 3 h ahead of Rio do Sul. 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.
Rio do Sul 18:50 6:50 PM Reykjavik 21:50 9:50 PM You –:–
18:50 6:50 PM
Brasilia Standard Time · UTC-3
☀️ 05:38 · 🌙 18:30
21:50 9:50 PM
Greenwich Mean Time · UTC+0
☀️ 08:36 · 🌙 17:50
·
+3 h
Reykjavik is 3 h ahead of Rio do Sul.
When you, Rio do Sul 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
🇧🇷 Rio do Sul
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 | 🇧🇷 Rio do Sul | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 18:50 | 21:50 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Rio do Sul | — | +3 h |
| IANA zone | America/Sao Paulo | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:38 | 08:36 |
| Sunset | 18:30 | 17:50 |
| Daylight | 12 h 52 min | 9 h 14 min |
| People on this clock | 72,587 | 136,894 |
Compare Rio do Sul with another city
More comparisons with Rio do Sul: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio do Sul and Reykjavik: common questions
How many hours ahead of Rio do Sul is Reykjavik?
The clocks in Reykjavik are 3 hours ahead of those in Rio do Sul (UTC+0 and UTC−3).
What time is it in Reykjavik when it is 9:00 AM in Rio do Sul?
When it is 9:00 AM in Rio do Sul, it is 12:00 PM in Reykjavik.
What time is it in Reykjavik at the end of the working day in Rio do Sul?
The working day in Rio do Sul ends at 6:00 PM; in Reykjavik it is 9:00 PM at that moment.
Is there a time when both Rio do Sul and Reykjavik are at work?
Yes: from 9:00 AM to 3:00 PM in Rio do Sul (12:00 PM to 6:00 PM in Reykjavik), the working days (9:00 AM–6:00 PM) overlap.
From what time in Rio do Sul is it tomorrow in Reykjavik?
Once it is 9:00 PM in Rio do Sul, the date in Reykjavik has already changed. Until 3:00 AM in Reykjavik, it is still the previous day in Rio do Sul.
Is the time difference between Rio do Sul and Reykjavik the same all year?
Yes. Neither Rio do Sul nor Reykjavik switches to summer time, so the gap is always 3 hours.
