Monterrey to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Monterrey. 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.
Monterrey 00:36 12:36 AM Rio de Janeiro 03:36 3:36 AM You –:–
00:36 12:36 AM
Central Standard Time · UTC-6
☀️ 06:38 · 🌙 18:21
03:36 3:36 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
·
+3 h
Rio de Janeiro is 3 h ahead of Monterrey.
When you, Monterrey 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
🇲🇽 Monterrey
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 | 🇲🇽 Monterrey | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 00:36 | 03:36 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central Standard Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Monterrey | — | +3 h |
| IANA zone | America/Monterrey | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:38 | 05:26 |
| Sunset | 18:21 | 17:55 |
| Daylight | 11 h 43 min | 12 h 30 min |
| People on this clock | 1,142,994 | 6,211,223 |
Compare Monterrey with another city
More comparisons with Monterrey: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Monterrey and Rio de Janeiro: common questions
What is the time difference between Monterrey and Rio de Janeiro?
Rio de Janeiro is 3 hours ahead: it uses UTC−3, while Monterrey is on UTC−6.
If it is 9:00 AM in Monterrey, what time is it in Rio de Janeiro?
At 9:00 AM in Monterrey, clocks in Rio de Janeiro show 12:00 PM.
If it is 6:00 PM in Monterrey, what time is it in Rio de Janeiro?
At 6:00 PM in Monterrey, clocks in Rio de Janeiro show 9:00 PM.
When is a good time to call Rio de Janeiro from Monterrey?
Between 9:00 AM and 3:00 PM in Monterrey – that is 12:00 PM to 6:00 PM in Rio de Janeiro – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Rio de Janeiro?
From 9:00 PM in Monterrey 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 Monterrey.
Does the time gap between Monterrey and Rio de Janeiro change during the year?
No, the clocks change neither in Monterrey nor in Rio de Janeiro, so the gap is 3 hours all year round.
