Alton, IL to Sao Paulo: time difference
Sao Paulo is 2 h ahead of Alton, 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.
Alton, IL 14:21 2:21 PM Sao Paulo 16:21 4:21 PM You –:–
14:21 2:21 PM
Central Daylight Time · UTC-5
☀️ 07:16 · 🌙 18:17
16:21 4:21 PM
Brasilia Standard Time · UTC-3
☀️ 05:30 · 🌙 18:14
·
+2 h
Sao Paulo is 2 h ahead of Alton, IL.
When you, Alton, 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
🇺🇸 Alton, 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 | 🇺🇸 Alton, IL | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 14:21 | 16:21 |
| 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 Alton, IL | — | +2 h |
| IANA zone | America/Chicago | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:16 | 05:30 |
| Sunset | 18:17 | 18:14 |
| Daylight | 11 h 1 min | 12 h 44 min |
| People on this clock | 25,676 | 11,451,999 |
Compare Alton, IL with another city
More comparisons with Alton, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Alton, IL and Sao Paulo: common questions
What is the time difference between Alton, IL, and Sao Paulo?
Sao Paulo is 2 hours ahead: it uses UTC−3, while Alton is on UTC−5.
If it is 9:00 AM in Alton, IL, what time is it in Sao Paulo?
At 9:00 AM in Alton, clocks in Sao Paulo show 11:00 AM.
What time is it in Sao Paulo when it is 6:00 PM in Alton, IL?
When it is 6:00 PM in Alton, it is 8:00 PM in Sao Paulo.
Is there a time when both Alton, IL, and Sao Paulo are at work?
Yes: from 9:00 AM to 4:00 PM in Alton (11:00 AM to 6:00 PM in Sao Paulo), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Sao Paulo?
From 10:00 PM in Alton, IL, it is already the next day in Sao Paulo. The other way round, until 2:00 AM in Sao Paulo it is still the previous day in Alton.
Does the time difference between Alton, IL, and Sao Paulo change?
Yes. The clocks change only in Alton. From November 1, 2026, Sao Paulo will be 3 hours ahead of Alton.
