🇧🇷 Rio de Janeiro, Brazil
36
- Brasilia Standard Time
- UTC-3
- Golden hour
☀️ 05:19 · 🌙 17:58 · 12 h 39 min
Rio de Janeiro to Guaynabo: time difference
Guaynabo 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 17:19 5:19 PM Guaynabo 16:19 4:19 PM You –:–
17:19 5:19 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:58
16:19 4:19 PM
Atlantic Standard Time · UTC-4
☀️ 06:19 · 🌙 18:02
·
−1 h
Guaynabo is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Guaynabo 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
🇵🇷 Guaynabo
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
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Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇵🇷 Guaynabo |
|---|---|---|
| Local time | 17:19 | 16:19 |
| 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 42 min |
| People on this clock | 6,211,223 | 68,491 |
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 Guaynabo: common questions
How far behind Rio de Janeiro is Guaynabo?
Guaynabo is 1 hour behind Rio de Janeiro: UTC−4 against UTC−3.
What time is it in Guaynabo when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in Guaynabo.
If it is 6:00 PM in Rio de Janeiro, what time is it in Guaynabo?
At 6:00 PM in Rio de Janeiro, clocks in Guaynabo show 5:00 PM.
When do working hours in Rio de Janeiro and in Guaynabo overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Rio de Janeiro, which is 9:00 AM to 5:00 PM in Guaynabo.
When does the date change in Guaynabo compared with Rio de Janeiro?
The new day starts in Guaynabo later: until 1:00 AM in Rio de Janeiro, it is still the previous day there. From 11:00 PM in Guaynabo, Rio de Janeiro is already on the next day.
Is the time difference between Rio de Janeiro and Guaynabo the same all year?
Yes. Neither Rio de Janeiro nor Guaynabo switches to summer time, so the gap is always 1 hour.
