Cartago to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Cartago. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇧🇷 Rio de Janeiro, Brazil
04
- Brasilia Standard Time
- UTC-3
- Golden hour
☀️ 05:21 · 🌙 17:57 · 12 h 36 min
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Cartago 02:55 2:55 AM Rio de Janeiro 05:55 5:55 AM You –:–
02:55 2:55 AM
Central Standard Time · UTC-6
☀️ 05:25 · 🌙 17:20
05:55 5:55 AM
Brasilia Standard Time · UTC-3
☀️ 05:21 · 🌙 17:57
·
+3 h
Rio de Janeiro is 3 h ahead of Cartago.
When you, Cartago 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
🇨🇷 Cartago
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 | 🇨🇷 Cartago | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 02:55 | 05:55 |
| Local date | Thursday, October 15, 2026 | Thursday, October 15, 2026 |
| Time zone | Central Standard Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Cartago | — | +3 h |
| IANA zone | America/Costa Rica | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:25 | 05:21 |
| Sunset | 17:20 | 17:57 |
| Daylight | 11 h 55 min | 12 h 36 min |
| People on this clock | 110,000 | 6,211,223 |
Compare Cartago with another city
More comparisons with Cartago: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Cartago and Rio de Janeiro: common questions
How far ahead of Cartago is Rio de Janeiro?
Rio de Janeiro is 3 hours ahead of Cartago: UTC−3 against UTC−6.
If it is 9:00 AM in Cartago, what time is it in Rio de Janeiro?
At 9:00 AM in Cartago, clocks in Rio de Janeiro show 12:00 PM.
What time is it in Rio de Janeiro at the end of the working day in Cartago?
The working day in Cartago ends at 6:00 PM; in Rio de Janeiro it is 9:00 PM at that moment.
Is there a time when both Cartago and Rio de Janeiro are at work?
Yes: from 9:00 AM to 3:00 PM in Cartago (12:00 PM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
From what time in Cartago is it tomorrow in Rio de Janeiro?
Once it is 9:00 PM in Cartago, the date in Rio de Janeiro has already changed. Until 3:00 AM in Rio de Janeiro, it is still the previous day in Cartago.
Does the time gap between Cartago and Rio de Janeiro change during the year?
No, the clocks change neither in Cartago nor in Rio de Janeiro, so the gap is 3 hours all year round.
