Humacao to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Humacao. 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.
Humacao 08:58 8:58 AM Rio de Janeiro 09:58 9:58 AM You –:–
08:58 8:58 AM
Atlantic Standard Time · UTC-4
☀️ 06:22 · 🌙 17:54
09:58 9:58 AM
Brasilia Standard Time · UTC-3
☀️ 05:11 · 🌙 18:04
·
+1 h
Rio de Janeiro is 1 h ahead of Humacao.
When you, Humacao 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
🇵🇷 Humacao
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
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Time zones side by side
| Detail | 🇵🇷 Humacao | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 08:58 | 09:58 |
| Local date | Wednesday, October 28, 2026 | Wednesday, October 28, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Humacao | — | +1 h |
| IANA zone | America/Puerto Rico | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:22 | 05:11 |
| Sunset | 17:54 | 18:04 |
| Daylight | 11 h 32 min | 12 h 53 min |
| People on this clock | 14,972 | 6,211,223 |
Compare Humacao with another city
More comparisons with Humacao: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Humacao and Rio de Janeiro: common questions
What is the time difference between Humacao and Rio de Janeiro?
Rio de Janeiro is 1 hour ahead: it uses UTC−3, while Humacao is on UTC−4.
What time is it in Rio de Janeiro at the start of the working day in Humacao?
The working day in Humacao starts at 9:00 AM; in Rio de Janeiro it is 10:00 AM at that moment.
What time is it in Rio de Janeiro when it is 6:00 PM in Humacao?
When it is 6:00 PM in Humacao, it is 7:00 PM in Rio de Janeiro.
When do working hours in Humacao and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Humacao, which is 10:00 AM to 6:00 PM in Rio de Janeiro.
When does the date change in Rio de Janeiro compared with Humacao?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Humacao it is already midnight there. Until 1:00 AM in Rio de Janeiro, Humacao is still on the previous day.
Is the time difference between Humacao and Rio de Janeiro the same all year?
Yes. Neither Humacao nor Rio de Janeiro switches to summer time, so the gap is always 1 hour.
