Cayey to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Cayey. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇧🇷 Rio de Janeiro, Brazil
12
- Brasilia Standard Time
- UTC-3
- Golden hour
☀️ 05:19 · 🌙 17:58 · 12 h 39 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Cayey 16:20 4:20 PM Rio de Janeiro 17:20 5:20 PM You –:–
16:20 4:20 PM
Atlantic Standard Time · UTC-4
☀️ 06:19 · 🌙 18:02
17:20 5:20 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:58
·
+1 h
Rio de Janeiro is 1 h ahead of Cayey.
When you, Cayey 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
🇵🇷 Cayey
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
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇷 Cayey | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 16:20 | 17:20 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Cayey | — | +1 h |
| IANA zone | America/Puerto Rico | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:19 | 05:19 |
| Sunset | 18:02 | 17:58 |
| Daylight | 11 h 43 min | 12 h 39 min |
| People on this clock | 13,999 | 6,211,223 |
Compare Cayey with another city
More comparisons with Cayey: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Cayey and Rio de Janeiro: common questions
How far ahead of Cayey is Rio de Janeiro?
Rio de Janeiro is 1 hour ahead of Cayey: UTC−3 against UTC−4.
If it is 9:00 AM in Cayey, what time is it in Rio de Janeiro?
At 9:00 AM in Cayey, clocks in Rio de Janeiro show 10:00 AM.
What time is it in Rio de Janeiro at the end of the working day in Cayey?
The working day in Cayey ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
When is a good time to call Rio de Janeiro from Cayey?
Between 9:00 AM and 5:00 PM in Cayey – that is 10:00 AM to 6:00 PM in Rio de Janeiro – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Rio de Janeiro compared with Cayey?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Cayey it is already midnight there. Until 1:00 AM in Rio de Janeiro, Cayey is still on the previous day.
Does the time difference between Cayey and Rio de Janeiro change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
