Barretos to Reykjavik: time difference
Reykjavik is 3 h ahead of Barretos. 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.
Barretos 05:43 5:43 AM Reykjavik 08:43 8:43 AM You –:–
05:43 5:43 AM
Brasilia Standard Time · UTC-3
☀️ 05:42 · 🌙 18:18
08:43 8:43 AM
Greenwich Mean Time · UTC+0
☀️ 08:27 · 🌙 18:00
·
+3 h
Reykjavik is 3 h ahead of Barretos.
When you, Barretos 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
🇧🇷 Barretos
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 | 🇧🇷 Barretos | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 05:43 | 08:43 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Barretos | — | +3 h |
| IANA zone | America/Sao Paulo | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:42 | 08:27 |
| Sunset | 18:18 | 18:00 |
| Daylight | 12 h 36 min | 9 h 33 min |
| People on this clock | 122,485 | 136,894 |
Compare Barretos with another city
More comparisons with Barretos: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Barretos and Reykjavik: common questions
What is the time difference between Barretos and Reykjavik?
Reykjavik is 3 hours ahead: it uses UTC+0, while Barretos is on UTC−3.
If it is 9:00 AM in Barretos, what time is it in Reykjavik?
At 9:00 AM in Barretos, clocks in Reykjavik show 12:00 PM.
If it is 6:00 PM in Barretos, what time is it in Reykjavik?
At 6:00 PM in Barretos, clocks in Reykjavik show 9:00 PM.
When do working hours in Barretos and in Reykjavik overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Barretos, which is 12:00 PM to 6:00 PM in Reykjavik.
When is it already the next day in Reykjavik?
From 9:00 PM in Barretos 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 Barretos.
Does the time difference between Barretos and Reykjavik change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
