Mexico City to Niteroi: time difference
Niteroi 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.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Mexico City 04:34 4:34 AM Niteroi 07:34 7:34 AM You –:–
04:34 4:34 AM
Central Standard Time · UTC-6
☀️ 06:30 · 🌙 18:18
07:34 7:34 AM
Brasilia Standard Time · UTC-3
☀️ 05:25 · 🌙 17:55
·
+3 h
Niteroi is 3 h ahead of Mexico City.
When you, Mexico City and Niteroi 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
🇧🇷 Niteroi
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 | 🇧🇷 Niteroi |
|---|---|---|
| Local time | 04:34 | 07:34 |
| 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 Mexico City | — | +3 h |
| IANA zone | America/Mexico City | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:30 | 05:25 |
| Sunset | 18:18 | 17:55 |
| Daylight | 11 h 48 min | 12 h 30 min |
| People on this clock | 9,209,944 | 481,749 |
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 Niteroi: common questions
How far ahead of Mexico City is Niteroi?
Niteroi 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 Niteroi?
At 9:00 AM in Mexico City, clocks in Niteroi show 12:00 PM.
What time is it in Niteroi at the end of the working day in Mexico City?
The working day in Mexico City ends at 6:00 PM; in Niteroi it is 9:00 PM at that moment.
When do working hours in Mexico City and in Niteroi overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Mexico City, which is 12:00 PM to 6:00 PM in Niteroi.
When does the date change in Niteroi compared with Mexico City?
The new day starts in Niteroi earlier: at 9:00 PM in Mexico City it is already midnight there. Until 3:00 AM in Niteroi, Mexico City is still on the previous day.
Does the time difference between Mexico City and Niteroi change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
