Saint Charles, IL to Rio de Janeiro: time difference
Rio de Janeiro is 2 h ahead of Saint Charles, IL. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Saint Charles, IL 12:06 12:06 PM Rio de Janeiro 14:06 2:06 PM You –:–
12:06 12:06 PM
Central Daylight Time · UTC-5
☀️ 07:12 · 🌙 18:05
14:06 2:06 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
·
+2 h
Rio de Janeiro is 2 h ahead of Saint Charles, IL.
When you, Saint Charles, IL 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
🇺🇸 Saint Charles, IL
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
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Saint Charles, IL | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 12:06 | 14:06 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Saint Charles, IL | — | +2 h |
| IANA zone | America/Chicago | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:12 | 05:17 |
| Sunset | 18:05 | 18:00 |
| Daylight | 10 h 54 min | 12 h 43 min |
| People on this clock | 70,329 | 6,211,223 |
Compare Saint Charles, IL with another city
More comparisons with Saint Charles, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Saint Charles, IL and Rio de Janeiro: common questions
How far ahead of Saint Charles, IL, is Rio de Janeiro?
Rio de Janeiro is 2 hours ahead of Saint Charles: UTC−3 against UTC−5.
If it is 9:00 AM in Saint Charles, IL, what time is it in Rio de Janeiro?
At 9:00 AM in Saint Charles, clocks in Rio de Janeiro show 11:00 AM.
What time is it in Rio de Janeiro at the end of the working day in Saint Charles, IL?
The working day in Saint Charles ends at 6:00 PM; in Rio de Janeiro it is 8:00 PM at that moment.
When is a good time to call Rio de Janeiro from Saint Charles, IL?
Between 9:00 AM and 4:00 PM in Saint Charles – that is 11:00 AM to 6:00 PM in Rio de Janeiro – both places are within working hours (9:00 AM–6:00 PM).
From what time in Saint Charles, IL, is it tomorrow in Rio de Janeiro?
Once it is 10:00 PM in Saint Charles, the date in Rio de Janeiro has already changed. Until 2:00 AM in Rio de Janeiro, it is still the previous day in Saint Charles.
Does the time difference between Saint Charles, IL, and Rio de Janeiro change?
Yes. The clocks change only in Saint Charles. From November 1, 2026, Rio de Janeiro will be 3 hours ahead of Saint Charles.
