Rio de Janeiro to Zacatecas: time difference
Zacatecas is 3 h behind Rio de Janeiro. 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.
Rio de Janeiro 05:18 5:18 AM Zacatecas 02:18 2:18 AM You –:–
05:18 5:18 AM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:59
02:18 2:18 AM
Central Standard Time · UTC-6
☀️ 06:49 · 🌙 18:23
·
−3 h
Zacatecas is 3 h behind Rio de Janeiro.
When you, Rio de Janeiro and Zacatecas are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Rio de Janeiro
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
🇲🇽 Zacatecas
21 9 PM 22 10 PM 23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
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Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇲🇽 Zacatecas |
|---|---|---|
| Local time | 05:18 | 02:18 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Brasilia Standard Time | Central Standard Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Rio de Janeiro | — | −3 h |
| IANA zone | America/Sao Paulo | America/Mexico City |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:19 | 06:49 |
| Sunset | 17:59 | 18:23 |
| Daylight | 12 h 40 min | 11 h 35 min |
| People on this clock | 6,211,223 | 138,444 |
Compare Rio de Janeiro with another city
More comparisons with Rio de Janeiro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio de Janeiro and Zacatecas: common questions
How far behind Rio de Janeiro is Zacatecas?
Zacatecas is 3 hours behind Rio de Janeiro: UTC−6 against UTC−3.
What time is it in Zacatecas at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in Zacatecas it is 6:00 AM at that moment.
If it is 6:00 PM in Rio de Janeiro, what time is it in Zacatecas?
At 6:00 PM in Rio de Janeiro, clocks in Zacatecas show 3:00 PM.
When do working hours in Rio de Janeiro and in Zacatecas overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Rio de Janeiro, which is 9:00 AM to 3:00 PM in Zacatecas.
When is it still the previous day in Zacatecas?
Until 3:00 AM in Rio de Janeiro it is still the previous day in Zacatecas. The other way round, from 9:00 PM in Zacatecas it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Zacatecas change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
