Guayama to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Guayama. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Guayama 16:57 4:57 PM Rio de Janeiro 17:57 5:57 PM You –:–
16:57 4:57 PM
Atlantic Standard Time · UTC-4
☀️ 06:19 · 🌙 18:02
17:57 5:57 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:58
·
+1 h
Rio de Janeiro is 1 h ahead of Guayama.
When you, Guayama 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
🇵🇷 Guayama
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 | 🇵🇷 Guayama | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 16:57 | 17:57 |
| 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 Guayama | — | +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 | 18,797 | 6,211,223 |
Compare Guayama with another city
More comparisons with Guayama: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Guayama and Rio de Janeiro: common questions
What is the time difference between Guayama and Rio de Janeiro?
Rio de Janeiro is 1 hour ahead: it uses UTC−3, while Guayama is on UTC−4.
What time is it in Rio de Janeiro when it is 9:00 AM in Guayama?
When it is 9:00 AM in Guayama, it is 10:00 AM in Rio de Janeiro.
If it is 6:00 PM in Guayama, what time is it in Rio de Janeiro?
At 6:00 PM in Guayama, clocks in Rio de Janeiro show 7:00 PM.
When do working hours in Guayama and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Guayama, which is 10:00 AM to 6:00 PM in Rio de Janeiro.
When does the date change in Rio de Janeiro compared with Guayama?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Guayama it is already midnight there. Until 1:00 AM in Rio de Janeiro, Guayama is still on the previous day.
Is the time difference between Guayama and Rio de Janeiro the same all year?
Yes. Neither Guayama nor Rio de Janeiro switches to summer time, so the gap is always 1 hour.
