Rio de Janeiro to Cartago: time difference
Cartago 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 00:46 12:46 AM Cartago 21:46 9:46 PM You –:–
00:46 12:46 AM
Brasilia Standard Time · UTC-3
☀️ 05:21 · 🌙 17:57
21:46 9:46 PM
Central Standard Time · UTC-6
☀️ 05:25 · 🌙 17:20
·
−3 h
Cartago is 3 h behind Rio de Janeiro.
When you, Rio de Janeiro and Cartago 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
🇨🇷 Cartago
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 | 🇨🇷 Cartago |
|---|---|---|
| Local time | 00:46 | 21:46 |
| Local date | Thursday, October 15, 2026 | Wednesday, October 14, 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 | 05:25 |
| Sunset | 17:57 | 17:20 |
| Daylight | 12 h 36 min | 11 h 55 min |
| People on this clock | 6,211,223 | 110,000 |
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 Cartago: common questions
How many hours behind Rio de Janeiro is Cartago?
The clocks in Cartago are 3 hours behind those in Rio de Janeiro (UTC−6 and UTC−3).
What time is it in Cartago at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in Cartago it is 6:00 AM at that moment.
What time is it in Cartago when it is 6:00 PM in Rio de Janeiro?
When it is 6:00 PM in Rio de Janeiro, it is 3:00 PM in Cartago.
Is there a time when both Rio de Janeiro and Cartago are at work?
Yes: from 12:00 PM to 6:00 PM in Rio de Janeiro (9:00 AM to 3:00 PM in Cartago), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Cartago compared with Rio de Janeiro?
The new day starts in Cartago later: until 3:00 AM in Rio de Janeiro, it is still the previous day there. From 9:00 PM in Cartago, Rio de Janeiro is already on the next day.
Does the time gap between Rio de Janeiro and Cartago change during the year?
No, the clocks change neither in Rio de Janeiro nor in Cartago, so the gap is 3 hours all year round.
