Atotonilco el Alto to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Atotonilco el Alto. 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.
Atotonilco el Alto 18:16 6:16 PM Rio de Janeiro 21:16 9:16 PM You –:–
18:16 6:16 PM
Central Standard Time · UTC-6
☀️ 06:46 · 🌙 18:26
21:16 9:16 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:58
·
+3 h
Rio de Janeiro is 3 h ahead of Atotonilco el Alto.
When you, Atotonilco el Alto 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
🇲🇽 Atotonilco el Alto
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
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Time zones side by side
| Detail | 🇲🇽 Atotonilco el Alto | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 18:16 | 21:16 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Central Standard Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Atotonilco el Alto | — | +3 h |
| IANA zone | America/Mexico City | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:46 | 05:19 |
| Sunset | 18:26 | 17:58 |
| Daylight | 11 h 39 min | 12 h 39 min |
| People on this clock | 26,874 | 6,211,223 |
Compare Atotonilco el Alto with another city
More comparisons with Atotonilco el Alto: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Atotonilco el Alto and Rio de Janeiro: common questions
How far ahead of Atotonilco el Alto is Rio de Janeiro?
Rio de Janeiro is 3 hours ahead of Atotonilco el Alto: UTC−3 against UTC−6.
If it is 9:00 AM in Atotonilco el Alto, what time is it in Rio de Janeiro?
At 9:00 AM in Atotonilco el Alto, clocks in Rio de Janeiro show 12:00 PM.
If it is 6:00 PM in Atotonilco el Alto, what time is it in Rio de Janeiro?
At 6:00 PM in Atotonilco el Alto, clocks in Rio de Janeiro show 9:00 PM.
Is there a time when both Atotonilco el Alto and Rio de Janeiro are at work?
Yes: from 9:00 AM to 3:00 PM in Atotonilco el Alto (12:00 PM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
From what time in Atotonilco el Alto is it tomorrow in Rio de Janeiro?
Once it is 9:00 PM in Atotonilco el Alto, the date in Rio de Janeiro has already changed. Until 3:00 AM in Rio de Janeiro, it is still the previous day in Atotonilco el Alto.
Does the time gap between Atotonilco el Alto and Rio de Janeiro change during the year?
No, the clocks change neither in Atotonilco el Alto nor in Rio de Janeiro, so the gap is 3 hours all year round.
