Rio de Janeiro to Cayey: time difference
Cayey 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 18:06 6:06 PM Cayey 17:06 5:06 PM You –:–
18:06 6:06 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:58
17:06 5:06 PM
Atlantic Standard Time · UTC-4
☀️ 06:19 · 🌙 18:02
·
−1 h
Cayey is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Cayey 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
🇵🇷 Cayey
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 | 🇵🇷 Cayey |
|---|---|---|
| Local time | 18:06 | 17:06 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 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/Puerto Rico |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:19 | 06:19 |
| Sunset | 17:58 | 18:02 |
| Daylight | 12 h 39 min | 11 h 43 min |
| People on this clock | 6,211,223 | 13,999 |
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 Cayey: common questions
What is the time difference between Rio de Janeiro and Cayey?
Cayey is 1 hour behind: it uses UTC−4, while Rio de Janeiro is on UTC−3.
What time is it in Cayey at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in Cayey it is 8:00 AM at that moment.
What time is it in Cayey at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Cayey it is 5:00 PM at that moment.
Is there a time when both Rio de Janeiro and Cayey are at work?
Yes: from 10:00 AM to 6:00 PM in Rio de Janeiro (9:00 AM to 5:00 PM in Cayey), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Rio de Janeiro is it still yesterday in Cayey?
Before 1:00 AM in Rio de Janeiro, the date in Cayey has not changed yet. From 11:00 PM in Cayey, it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Cayey change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
