Naperville, IL to Sao Paulo: time difference
Sao Paulo is 2 h ahead of Naperville, 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.
Naperville, IL 13:20 1:20 PM Sao Paulo 15:20 3:20 PM You –:–
13:20 1:20 PM
Central Daylight Time · UTC-5
☀️ 07:11 · 🌙 18:05
15:20 3:20 PM
Brasilia Standard Time · UTC-3
☀️ 05:30 · 🌙 18:14
·
+2 h
Sao Paulo is 2 h ahead of Naperville, IL.
When you, Naperville, 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
🇺🇸 Naperville, 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 | 🇺🇸 Naperville, IL | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 13:20 | 15:20 |
| 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 Naperville, IL | — | +2 h |
| IANA zone | America/Chicago | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:11 | 05:30 |
| Sunset | 18:05 | 18:14 |
| Daylight | 10 h 54 min | 12 h 44 min |
| People on this clock | 149,540 | 11,451,999 |
Compare Naperville, IL with another city
More comparisons with Naperville, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Naperville, IL and Sao Paulo: common questions
How far ahead of Naperville, IL, is Sao Paulo?
Sao Paulo is 2 hours ahead of Naperville: UTC−3 against UTC−5.
What time is it in Sao Paulo when it is 9:00 AM in Naperville, IL?
When it is 9:00 AM in Naperville, it is 11:00 AM in Sao Paulo.
What time is it in Sao Paulo at the end of the working day in Naperville, IL?
The working day in Naperville ends at 6:00 PM; in Sao Paulo it is 8:00 PM at that moment.
Is there a time when both Naperville, IL, and Sao Paulo are at work?
Yes: from 9:00 AM to 4:00 PM in Naperville (11:00 AM to 6:00 PM in Sao Paulo), the working days (9:00 AM–6:00 PM) overlap.
From what time in Naperville, IL, is it tomorrow in Sao Paulo?
Once it is 10:00 PM in Naperville, the date in Sao Paulo has already changed. Until 2:00 AM in Sao Paulo, it is still the previous day in Naperville.
Does the time difference between Naperville, IL, and Sao Paulo change?
Yes. The clocks change only in Naperville. From November 1, 2026, Sao Paulo will be 3 hours ahead of Naperville.
