Rio de Janeiro to San Luis Potosi: time difference
San Luis Potosi 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 09:07 9:07 AM San Luis Potosi 06:07 6:07 AM You –:–
09:07 9:07 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
06:07 6:07 AM
Central Standard Time · UTC-6
☀️ 06:39 · 🌙 18:24
·
−3 h
San Luis Potosi is 3 h behind Rio de Janeiro.
When you, Rio de Janeiro and San Luis Potosi 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
🇲🇽 San Luis Potosi
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
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇲🇽 San Luis Potosi |
|---|---|---|
| Local time | 09:07 | 06:07 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 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 | 05:26 | 06:39 |
| Sunset | 17:55 | 18:24 |
| Daylight | 12 h 30 min | 11 h 45 min |
| People on this clock | 6,211,223 | 845,941 |
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 San Luis Potosi: common questions
How far behind Rio de Janeiro is San Luis Potosi?
San Luis Potosi is 3 hours behind Rio de Janeiro: UTC−6 against UTC−3.
What time is it in San Luis Potosi when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 6:00 AM in San Luis Potosi.
What time is it in San Luis Potosi at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in San Luis Potosi it is 3:00 PM at that moment.
When is a good time to call San Luis Potosi from Rio de Janeiro?
Between 12:00 PM and 6:00 PM in Rio de Janeiro – that is 9:00 AM to 3:00 PM in San Luis Potosi – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in San Luis Potosi?
Until 3:00 AM in Rio de Janeiro it is still the previous day in San Luis Potosi. The other way round, from 9:00 PM in San Luis Potosi it is already the next day in Rio de Janeiro.
Does the time gap between Rio de Janeiro and San Luis Potosi change during the year?
No, the clocks change neither in Rio de Janeiro nor in San Luis Potosi, so the gap is 3 hours all year round.
