Mexico City to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Mexico City. 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.
Mexico City 18:39 6:39 PM Rio de Janeiro 21:39 9:39 PM You –:–
18:39 6:39 PM
Central Standard Time · UTC-6
☀️ 06:30 · 🌙 18:19
21:39 9:39 PM
Brasilia Standard Time · UTC-3
☀️ 05:27 · 🌙 17:55
·
+3 h
Rio de Janeiro is 3 h ahead of Mexico City.
When you, Mexico City 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
🇲🇽 Mexico City
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
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- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇲🇽 Mexico City | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 18:39 | 21:39 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Central Standard Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Mexico City | — | +3 h |
| IANA zone | America/Mexico City | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:30 | 05:27 |
| Sunset | 18:19 | 17:55 |
| Daylight | 11 h 49 min | 12 h 28 min |
| People on this clock | 9,209,944 | 6,211,223 |
Compare Mexico City with another city
More comparisons with Mexico City: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Mexico City and Rio de Janeiro: common questions
How far ahead of Mexico City is Rio de Janeiro?
Rio de Janeiro is 3 hours ahead of Mexico City: UTC−3 against UTC−6.
If it is 9:00 AM in Mexico City, what time is it in Rio de Janeiro?
At 9:00 AM in Mexico City, clocks in Rio de Janeiro show 12:00 PM.
If it is 6:00 PM in Mexico City, what time is it in Rio de Janeiro?
At 6:00 PM in Mexico City, clocks in Rio de Janeiro show 9:00 PM.
Is there a time when both Mexico City and Rio de Janeiro are at work?
Yes: from 9:00 AM to 3:00 PM in Mexico City (12:00 PM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Rio de Janeiro compared with Mexico City?
The new day starts in Rio de Janeiro earlier: at 9:00 PM in Mexico City it is already midnight there. Until 3:00 AM in Rio de Janeiro, Mexico City is still on the previous day.
Does the time difference between Mexico City and Rio de Janeiro change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
