Rio de Janeiro to Arenal: time difference
Arenal is 3 h behind Rio de Janeiro. 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 de Janeiro 06:34 6:34 AM Arenal 03:34 3:34 AM You –:–
06:34 6:34 AM
Brasilia Standard Time · UTC-3
☀️ 05:21 · 🌙 17:57
03:34 3:34 AM
Central Standard Time · UTC-6
☀️ 05:28 · 🌙 17:22
·
−3 h
Arenal is 3 h behind Rio de Janeiro.
When you, Rio de Janeiro and Arenal 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 de Janeiro
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
🇨🇷 Arenal
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 | 🇧🇷 Rio de Janeiro | 🇨🇷 Arenal |
|---|---|---|
| Local time | 06:34 | 03:34 |
| Local date | Thursday, October 15, 2026 | Thursday, October 15, 2026 |
| Time zone | Brasilia Standard Time | Central Standard Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Rio de Janeiro | — | −3 h |
| IANA zone | America/Sao Paulo | America/Costa Rica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:21 | 05:28 |
| Sunset | 17:57 | 17:22 |
| Daylight | 12 h 36 min | 11 h 54 min |
| People on this clock | 6,211,223 | 2,300 |
Compare Rio de Janeiro with another city
More comparisons with Rio de Janeiro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio de Janeiro and Arenal: common questions
What is the time difference between Rio de Janeiro and Arenal?
Arenal is 3 hours behind: it uses UTC−6, while Rio de Janeiro is on UTC−3.
What time is it in Arenal when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 6:00 AM in Arenal.
What time is it in Arenal at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Arenal it is 3:00 PM at that moment.
When is a good time to call Arenal from Rio de Janeiro?
Between 12:00 PM and 6:00 PM in Rio de Janeiro – that is 9:00 AM to 3:00 PM in Arenal – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Arenal compared with Rio de Janeiro?
The new day starts in Arenal later: until 3:00 AM in Rio de Janeiro, it is still the previous day there. From 9:00 PM in Arenal, Rio de Janeiro is already on the next day.
Is the time difference between Rio de Janeiro and Arenal the same all year?
Yes. Neither Rio de Janeiro nor Arenal switches to summer time, so the gap is always 3 hours.
