Mayaguez to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Mayaguez. 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.
Mayaguez 14:43 2:43 PM Rio de Janeiro 15:43 3:43 PM You –:–
14:43 2:43 PM
Atlantic Standard Time · UTC-4
☀️ 06:23 · 🌙 18:06
15:43 3:43 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:58
·
+1 h
Rio de Janeiro is 1 h ahead of Mayaguez.
When you, Mayaguez 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
🇵🇷 Mayaguez
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
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Time zones side by side
| Detail | 🇵🇷 Mayaguez | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 14:43 | 15:43 |
| 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 Mayaguez | — | +1 h |
| IANA zone | America/Puerto Rico | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:23 | 05:19 |
| Sunset | 18:06 | 17:58 |
| Daylight | 11 h 43 min | 12 h 39 min |
| People on this clock | 57,566 | 6,211,223 |
Compare Mayaguez with another city
More comparisons with Mayaguez: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Mayaguez and Rio de Janeiro: common questions
How many hours ahead of Mayaguez is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Mayaguez (UTC−3 and UTC−4).
What time is it in Rio de Janeiro when it is 9:00 AM in Mayaguez?
When it is 9:00 AM in Mayaguez, it is 10:00 AM in Rio de Janeiro.
What time is it in Rio de Janeiro at the end of the working day in Mayaguez?
The working day in Mayaguez ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
Is there a time when both Mayaguez and Rio de Janeiro are at work?
Yes: from 9:00 AM to 5:00 PM in Mayaguez (10:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
From what time in Mayaguez is it tomorrow in Rio de Janeiro?
Once it is 11:00 PM in Mayaguez, the date in Rio de Janeiro has already changed. Until 1:00 AM in Rio de Janeiro, it is still the previous day in Mayaguez.
Is the time difference between Mayaguez and Rio de Janeiro the same all year?
Yes. Neither Mayaguez nor Rio de Janeiro switches to summer time, so the gap is always 1 hour.
