Rio das Ostras to Reykjavik: time difference
Reykjavik is 3 h ahead of Rio das Ostras. 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 das Ostras 04:08 4:08 AM Reykjavik 07:08 7:08 AM You –:–
04:08 4:08 AM
Brasilia Standard Time · UTC-3
☀️ 05:13 · 🌙 17:54
07:08 7:08 AM
Greenwich Mean Time · UTC+0
☀️ 08:30 · 🌙 17:57
·
+3 h
Reykjavik is 3 h ahead of Rio das Ostras.
When you, Rio das Ostras 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 das Ostras
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 das Ostras | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 04:08 | 07:08 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Rio das Ostras | — | +3 h |
| IANA zone | America/Sao Paulo | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:13 | 08:30 |
| Sunset | 17:54 | 17:57 |
| Daylight | 12 h 41 min | 9 h 27 min |
| People on this clock | 156,491 | 136,894 |
Compare Rio das Ostras with another city
More comparisons with Rio das Ostras: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio das Ostras and Reykjavik: common questions
How many hours ahead of Rio das Ostras is Reykjavik?
The clocks in Reykjavik are 3 hours ahead of those in Rio das Ostras (UTC+0 and UTC−3).
If it is 9:00 AM in Rio das Ostras, what time is it in Reykjavik?
At 9:00 AM in Rio das Ostras, clocks in Reykjavik show 12:00 PM.
What time is it in Reykjavik at the end of the working day in Rio das Ostras?
The working day in Rio das Ostras ends at 6:00 PM; in Reykjavik it is 9:00 PM at that moment.
When is a good time to call Reykjavik from Rio das Ostras?
Between 9:00 AM and 3:00 PM in Rio das Ostras – that is 12:00 PM to 6:00 PM in Reykjavik – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Reykjavik compared with Rio das Ostras?
The new day starts in Reykjavik earlier: at 9:00 PM in Rio das Ostras it is already midnight there. Until 3:00 AM in Reykjavik, Rio das Ostras is still on the previous day.
Does the time gap between Rio das Ostras and Reykjavik change during the year?
No, the clocks change neither in Rio das Ostras nor in Reykjavik, so the gap is 3 hours all year round.
