Zacatecas to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Zacatecas. 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.
Zacatecas 00:57 12:57 AM Rio de Janeiro 03:57 3:57 AM You –:–
00:57 12:57 AM
Central Standard Time · UTC-6
☀️ 06:49 · 🌙 18:23
03:57 3:57 AM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:59
·
+3 h
Rio de Janeiro is 3 h ahead of Zacatecas.
When you, Zacatecas 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
🇲🇽 Zacatecas
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
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇲🇽 Zacatecas | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 00:57 | 03:57 |
| 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 Zacatecas | — | +3 h |
| IANA zone | America/Mexico City | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:49 | 05:19 |
| Sunset | 18:23 | 17:59 |
| Daylight | 11 h 35 min | 12 h 40 min |
| People on this clock | 138,444 | 6,211,223 |
Compare Zacatecas with another city
More comparisons with Zacatecas: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Zacatecas and Rio de Janeiro: common questions
How far ahead of Zacatecas is Rio de Janeiro?
Rio de Janeiro is 3 hours ahead of Zacatecas: UTC−3 against UTC−6.
If it is 9:00 AM in Zacatecas, what time is it in Rio de Janeiro?
At 9:00 AM in Zacatecas, clocks in Rio de Janeiro show 12:00 PM.
If it is 6:00 PM in Zacatecas, what time is it in Rio de Janeiro?
At 6:00 PM in Zacatecas, clocks in Rio de Janeiro show 9:00 PM.
When is a good time to call Rio de Janeiro from Zacatecas?
Between 9:00 AM and 3:00 PM in Zacatecas – that is 12:00 PM to 6:00 PM in Rio de Janeiro – both places are within working hours (9:00 AM–6:00 PM).
From what time in Zacatecas is it tomorrow in Rio de Janeiro?
Once it is 9:00 PM in Zacatecas, the date in Rio de Janeiro has already changed. Until 3:00 AM in Rio de Janeiro, it is still the previous day in Zacatecas.
Does the time gap between Zacatecas and Rio de Janeiro change during the year?
No, the clocks change neither in Zacatecas nor in Rio de Janeiro, so the gap is 3 hours all year round.
