Costa Rica to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Costa Rica. Live clocks for both, the working hours they share, and how each one sits against your own time.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Costa Rica 00:52 12:52 AM Rio de Janeiro 03:52 3:52 AM You –:–
00:52 12:52 AM
Central Standard Time · UTC-6
☀️ 05:25 · 🌙 17:23
03:52 3:52 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
·
+3 h
Rio de Janeiro is 3 h ahead of Costa Rica.
When you, Costa Rica and Rio de Janeiro are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇷 Costa Rica
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
🇧🇷 Rio de Janeiro
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 | 🇨🇷 Costa Rica | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 00:52 | 03:52 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central Standard Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Costa Rica | — | +3 h |
| IANA zone | America/Costa Rica | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:25 | 05:26 |
| Sunset | 17:23 | 17:55 |
| Daylight | 11 h 57 min | 12 h 30 min |
| People on this clock | 5,044,197 | 6,211,223 |
Compare Costa Rica with another city
More comparisons with Costa Rica: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Costa Rica and Rio de Janeiro: common questions
What is the time difference between Costa Rica and Rio de Janeiro?
Rio de Janeiro is 3 hours ahead: it uses UTC−3, while Costa Rica is on UTC−6.
What time is it in Rio de Janeiro at the start of the working day in Costa Rica?
The working day in Costa Rica starts at 9:00 AM; in Rio de Janeiro it is 12:00 PM at that moment.
What time is it in Rio de Janeiro when it is 6:00 PM in Costa Rica?
When it is 6:00 PM in Costa Rica, it is 9:00 PM in Rio de Janeiro.
When do working hours in Costa Rica and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Costa Rica, which is 12:00 PM to 6:00 PM in Rio de Janeiro.
When is it already the next day in Rio de Janeiro?
From 9:00 PM in Costa Rica it is already the next day in Rio de Janeiro. The other way round, until 3:00 AM in Rio de Janeiro it is still the previous day in Costa Rica.
Is the time difference between Costa Rica and Rio de Janeiro the same all year?
Yes. Neither Costa Rica nor Rio de Janeiro switches to summer time, so the gap is always 3 hours.
