Boca del Rio to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Boca del Rio. Live clocks for both, the working hours they share, and how each one sits against your own time.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Boca del Rio 07:30 7:30 AM Rio de Janeiro 10:30 10:30 AM You –:–
07:30 7:30 AM
Central Standard Time · UTC-6
☀️ 06:20 · 🌙 18:00
10:30 10:30 AM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:59
·
+3 h
Rio de Janeiro is 3 h ahead of Boca del Rio.
When you, Boca del Rio 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
🇲🇽 Boca del Rio
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
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇲🇽 Boca del Rio | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 07:30 | 10:30 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central Standard Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Boca del Rio | — | +3 h |
| IANA zone | America/Mexico City | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:20 | 05:19 |
| Sunset | 18:00 | 17:59 |
| Daylight | 11 h 40 min | 12 h 40 min |
| People on this clock | — | 6,211,223 |
Compare Boca del Rio with another city
More comparisons with Boca del Rio: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Boca del Rio and Rio de Janeiro: common questions
What is the time difference between Boca del Rio and Rio de Janeiro?
Rio de Janeiro is 3 hours ahead: it uses UTC−3, while Boca del Rio is on UTC−6.
What time is it in Rio de Janeiro at the start of the working day in Boca del Rio?
The working day in Boca del Rio starts at 9:00 AM; in Rio de Janeiro it is 12:00 PM at that moment.
What time is it in Rio de Janeiro when it is 6:00 PM in Boca del Rio?
When it is 6:00 PM in Boca del Rio, it is 9:00 PM in Rio de Janeiro.
When do working hours in Boca del Rio and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Boca del Rio, which is 12:00 PM to 6:00 PM in Rio de Janeiro.
When is it already the next day in Rio de Janeiro?
From 9:00 PM in Boca del Rio it is already the next day in Rio de Janeiro. The other way round, until 3:00 AM in Rio de Janeiro it is still the previous day in Boca del Rio.
Does the time difference between Boca del Rio and Rio de Janeiro change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
