Rio de Janeiro to Couva: time difference
Couva is 1 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 07:17 7:17 AM Couva 06:17 6:17 AM You –:–
07:17 7:17 AM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:59
06:17 6:17 AM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:48
·
−1 h
Couva is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Couva 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
🇹🇹 Couva
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇹🇹 Couva |
|---|---|---|
| Local time | 07:17 | 06:17 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Brasilia Standard Time | Atlantic Standard Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Rio de Janeiro | — | −1 h |
| IANA zone | America/Sao Paulo | America/Port of Spain |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:19 | 05:55 |
| Sunset | 17:59 | 17:48 |
| Daylight | 12 h 40 min | 11 h 53 min |
| People on this clock | 6,211,223 | 48,858 |
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 Couva: common questions
What is the time difference between Rio de Janeiro and Couva?
Couva is 1 hour behind: it uses UTC−4, while Rio de Janeiro is on UTC−3.
If it is 9:00 AM in Rio de Janeiro, what time is it in Couva?
At 9:00 AM in Rio de Janeiro, clocks in Couva show 8:00 AM.
If it is 6:00 PM in Rio de Janeiro, what time is it in Couva?
At 6:00 PM in Rio de Janeiro, clocks in Couva show 5:00 PM.
Is there a time when both Rio de Janeiro and Couva are at work?
Yes: from 10:00 AM to 6:00 PM in Rio de Janeiro (9:00 AM to 5:00 PM in Couva), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Couva?
Until 1:00 AM in Rio de Janeiro it is still the previous day in Couva. The other way round, from 11:00 PM in Couva it is already the next day in Rio de Janeiro.
Is the time difference between Rio de Janeiro and Couva the same all year?
Yes. Neither Rio de Janeiro nor Couva switches to summer time, so the gap is always 1 hour.
