Rio Claro to Reykjavik: time difference
Reykjavik is 3 h ahead of Rio Claro. 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 Claro 13:43 1:43 PM Reykjavik 16:43 4:43 PM You –:–
13:43 1:43 PM
Brasilia Standard Time · UTC-3
☀️ 05:36 · 🌙 18:16
16:43 4:43 PM
Greenwich Mean Time · UTC+0
☀️ 08:27 · 🌙 18:00
·
+3 h
Reykjavik is 3 h ahead of Rio Claro.
When you, Rio Claro 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 Claro
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 Claro | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 13:43 | 16:43 |
| 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 Rio Claro | — | +3 h |
| IANA zone | America/Sao Paulo | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:36 | 08:27 |
| Sunset | 18:16 | 18:00 |
| Daylight | 12 h 39 min | 9 h 33 min |
| People on this clock | 201,418 | 136,894 |
Compare Rio Claro with another city
More comparisons with Rio Claro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio Claro and Reykjavik: common questions
How many hours ahead of Rio Claro is Reykjavik?
The clocks in Reykjavik are 3 hours ahead of those in Rio Claro (UTC+0 and UTC−3).
What time is it in Reykjavik when it is 9:00 AM in Rio Claro?
When it is 9:00 AM in Rio Claro, it is 12:00 PM in Reykjavik.
What time is it in Reykjavik at the end of the working day in Rio Claro?
The working day in Rio Claro ends at 6:00 PM; in Reykjavik it is 9:00 PM at that moment.
When do working hours in Rio Claro and in Reykjavik overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Rio Claro, 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 Rio Claro 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 Rio Claro.
Does the time difference between Rio Claro and Reykjavik change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
