Reykjavik to Brazil: time difference
Brazil is 3 h behind Reykjavik. 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.
Reykjavik 09:40 9:40 AM Brazil 06:40 6:40 AM You –:–
09:40 9:40 AM
Greenwich Mean Time · UTC+0
☀️ 08:03 · 🌙 18:28
06:40 6:40 AM
Brasilia Standard Time · UTC-3
☀️ 05:48 · 🌙 18:10
·
−3 h
Brazil is 3 h behind Reykjavik.
When you, Reykjavik and Brazil are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇮🇸 Reykjavik
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
🇧🇷 Brazil
21 9 PM 22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇸 Reykjavik | 🇧🇷 Brazil |
|---|---|---|
| Local time | 09:40 | 06:40 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Greenwich Mean Time | Brasilia Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Reykjavik | — | −3 h |
| IANA zone | Atlantic/Reykjavik | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 08:03 | 05:48 |
| Sunset | 18:28 | 18:10 |
| Daylight | 10 h 25 min | 12 h 22 min |
| People on this clock | 136,894 | 203,062,512 |
Compare Reykjavik with another city
More comparisons with Reykjavik: the time zones next to it and the far side of the clock.
Big time differences
Reykjavik and Brazil: common questions
How far behind Reykjavik is Brazil?
Brazil is 3 hours behind Reykjavik: UTC−3 against UTC+0.
What time is it in Brazil at the start of the working day in Reykjavik?
The working day in Reykjavik starts at 9:00 AM; in Brazil it is 6:00 AM at that moment.
If it is 6:00 PM in Reykjavik, what time is it in Brazil?
At 6:00 PM in Reykjavik, clocks in Brazil show 3:00 PM.
When do working hours in Reykjavik and in Brazil overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Reykjavik, which is 9:00 AM to 3:00 PM in Brazil.
When does the date change in Brazil compared with Reykjavik?
The new day starts in Brazil later: until 3:00 AM in Reykjavik, it is still the previous day there. From 9:00 PM in Brazil, Reykjavik is already on the next day.
Is the time difference between Reykjavik and Brazil the same all year?
Yes. Neither Reykjavik nor Brazil switches to summer time, so the gap is always 3 hours.
