Mexico City to Rio das Ostras: time difference
Rio das Ostras 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 01:52 1:52 AM Rio das Ostras 04:52 4:52 AM You –:–
01:52 1:52 AM
Central Standard Time · UTC-6
☀️ 06:33 · 🌙 18:11
04:52 4:52 AM
Brasilia Standard Time · UTC-3
☀️ 05:13 · 🌙 17:54
·
+3 h
Rio das Ostras is 3 h ahead of Mexico City.
When you, Mexico City and Rio das Ostras 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 das Ostras
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 | 🇲🇽 Mexico City | 🇧🇷 Rio das Ostras |
|---|---|---|
| Local time | 01:52 | 04:52 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 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 | 06:33 | 05:13 |
| Sunset | 18:11 | 17:54 |
| Daylight | 11 h 39 min | 12 h 41 min |
| People on this clock | 9,209,944 | 156,491 |
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 das Ostras: common questions
What is the time difference between Mexico City and Rio das Ostras?
Rio das Ostras is 3 hours ahead: it uses UTC−3, while Mexico City is on UTC−6.
What time is it in Rio das Ostras when it is 9:00 AM in Mexico City?
When it is 9:00 AM in Mexico City, it is 12:00 PM in Rio das Ostras.
What time is it in Rio das Ostras when it is 6:00 PM in Mexico City?
When it is 6:00 PM in Mexico City, it is 9:00 PM in Rio das Ostras.
When is a good time to call Rio das Ostras from Mexico City?
Between 9:00 AM and 3:00 PM in Mexico City – that is 12:00 PM to 6:00 PM in Rio das Ostras – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Rio das Ostras compared with Mexico City?
The new day starts in Rio das Ostras earlier: at 9:00 PM in Mexico City it is already midnight there. Until 3:00 AM in Rio das Ostras, Mexico City is still on the previous day.
Is the time difference between Mexico City and Rio das Ostras the same all year?
Yes. Neither Mexico City nor Rio das Ostras switches to summer time, so the gap is always 3 hours.
