Mexico City to Serra: time difference
Serra 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 01:15 1:15 AM Serra 04:15 4:15 AM You –:–
01:15 1:15 AM
Central Standard Time · UTC-6
☀️ 06:32 · 🌙 18:12
04:15 4:15 AM
Brasilia Standard Time · UTC-3
☀️ 05:09 · 🌙 17:45
·
+3 h
Serra is 3 h ahead of Mexico City.
When you, Mexico City and Serra 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
🇧🇷 Serra
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 | 🇧🇷 Serra |
|---|---|---|
| Local time | 01:15 | 04:15 |
| 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 Mexico City | — | +3 h |
| IANA zone | America/Mexico City | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:32 | 05:09 |
| Sunset | 18:12 | 17:45 |
| Daylight | 11 h 40 min | 12 h 36 min |
| People on this clock | 9,209,944 | 520,653 |
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 Serra: common questions
How far ahead of Mexico City is Serra?
Serra is 3 hours ahead of Mexico City: UTC−3 against UTC−6.
What time is it in Serra at the start of the working day in Mexico City?
The working day in Mexico City starts at 9:00 AM; in Serra it is 12:00 PM at that moment.
What time is it in Serra at the end of the working day in Mexico City?
The working day in Mexico City ends at 6:00 PM; in Serra it is 9:00 PM at that moment.
When do working hours in Mexico City and in Serra 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 Serra.
From what time in Mexico City is it tomorrow in Serra?
Once it is 9:00 PM in Mexico City, the date in Serra has already changed. Until 3:00 AM in Serra, it is still the previous day in Mexico City.
Does the time difference between Mexico City and Serra change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
