Rio de Janeiro to Mayaguez: time difference
Mayaguez 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 14:16 2:16 PM Mayaguez 13:16 1:16 PM You –:–
14:16 2:16 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:58
13:16 1:16 PM
Atlantic Standard Time · UTC-4
☀️ 06:23 · 🌙 18:06
·
−1 h
Mayaguez is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Mayaguez 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
🇵🇷 Mayaguez
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
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇵🇷 Mayaguez |
|---|---|---|
| Local time | 14:16 | 13:16 |
| 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 | 06:23 |
| Sunset | 17:58 | 18:06 |
| Daylight | 12 h 39 min | 11 h 43 min |
| People on this clock | 6,211,223 | 57,566 |
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 Mayaguez: common questions
What is the time difference between Rio de Janeiro and Mayaguez?
Mayaguez is 1 hour behind: it uses UTC−4, while Rio de Janeiro is on UTC−3.
What time is it in Mayaguez at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in Mayaguez it is 8:00 AM at that moment.
If it is 6:00 PM in Rio de Janeiro, what time is it in Mayaguez?
At 6:00 PM in Rio de Janeiro, clocks in Mayaguez show 5:00 PM.
When do working hours in Rio de Janeiro and in Mayaguez 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 Mayaguez.
Until what time in Rio de Janeiro is it still yesterday in Mayaguez?
Before 1:00 AM in Rio de Janeiro, the date in Mayaguez has not changed yet. From 11:00 PM in Mayaguez, it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Mayaguez change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
