O'Fallon, IL to Sao Paulo: time difference
Sao Paulo is 2 h ahead of O'Fallon, IL. 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.
O'Fallon, IL 18:29 6:29 PM Sao Paulo 20:29 8:29 PM You –:–
18:29 6:29 PM
Central Daylight Time · UTC-5
☀️ 07:15 · 🌙 18:15
20:29 8:29 PM
Brasilia Standard Time · UTC-3
☀️ 05:29 · 🌙 18:14
·
+2 h
Sao Paulo is 2 h ahead of O'Fallon, IL.
When you, O'Fallon, IL and Sao Paulo are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 O'Fallon, 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
🇧🇷 Sao Paulo
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
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Time zones side by side
| Detail | 🇺🇸 O'Fallon, IL | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 18:29 | 20:29 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Central Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from O'Fallon, IL | — | +2 h |
| IANA zone | America/Chicago | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:15 | 05:29 |
| Sunset | 18:15 | 18:14 |
| Daylight | 10 h 59 min | 12 h 45 min |
| People on this clock | 94,074 | 11,451,999 |
Compare O'Fallon, IL with another city
More comparisons with O'Fallon, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
O'Fallon, IL and Sao Paulo: common questions
What is the time difference between O'Fallon, IL, and Sao Paulo?
Sao Paulo is 2 hours ahead: it uses UTC−3, while O'Fallon is on UTC−5.
What time is it in Sao Paulo when it is 9:00 AM in O'Fallon, IL?
When it is 9:00 AM in O'Fallon, it is 11:00 AM in Sao Paulo.
If it is 6:00 PM in O'Fallon, IL, what time is it in Sao Paulo?
At 6:00 PM in O'Fallon, clocks in Sao Paulo show 8:00 PM.
When do working hours in O'Fallon, IL, and in Sao Paulo overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in O'Fallon, which is 11:00 AM to 6:00 PM in Sao Paulo.
From what time in O'Fallon, IL, is it tomorrow in Sao Paulo?
Once it is 10:00 PM in O'Fallon, the date in Sao Paulo has already changed. Until 2:00 AM in Sao Paulo, it is still the previous day in O'Fallon.
Does the time gap between O'Fallon, IL, and Sao Paulo change during the year?
Yes – daylight saving time is used in O'Fallon but not in Sao Paulo. From November 1, 2026, Sao Paulo will be 3 hours ahead of O'Fallon.
