Rio de Janeiro to Oak Park, IL: time difference
Oak Park, IL is 2 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 15:51 3:51 PM Oak Park, IL 13:51 1:51 PM You –:–
15:51 3:51 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
13:51 1:51 PM
Central Daylight Time · UTC-5
☀️ 07:10 · 🌙 18:03
·
−2 h
Oak Park, IL is 2 h behind Rio de Janeiro.
When you, Rio de Janeiro and Oak Park, IL 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
🇺🇸 Oak Park, IL
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 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇺🇸 Oak Park, IL |
|---|---|---|
| Local time | 15:51 | 13:51 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Brasilia Standard Time | Central Daylight Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Rio de Janeiro | — | −2 h |
| IANA zone | America/Sao Paulo | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:17 | 07:10 |
| Sunset | 18:00 | 18:03 |
| Daylight | 12 h 43 min | 10 h 54 min |
| People on this clock | 6,211,223 | 54,583 |
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 Oak Park, IL: common questions
What is the time difference between Rio de Janeiro and Oak Park, IL?
Oak Park is 2 hours behind: it uses UTC−5, while Rio de Janeiro is on UTC−3.
If it is 9:00 AM in Rio de Janeiro, what time is it in Oak Park, IL?
At 9:00 AM in Rio de Janeiro, clocks in Oak Park show 7:00 AM.
What time is it in Oak Park, IL, at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Oak Park it is 4:00 PM at that moment.
Is there a time when both Rio de Janeiro and Oak Park, IL, are at work?
Yes: from 11:00 AM to 6:00 PM in Rio de Janeiro (9:00 AM to 4:00 PM in Oak Park), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Rio de Janeiro is it still yesterday in Oak Park, IL?
Before 2:00 AM in Rio de Janeiro, the date in Oak Park has not changed yet. From 10:00 PM in Oak Park, it is already the next day in Rio de Janeiro.
Is the time difference between Rio de Janeiro and Oak Park, IL, the same all year?
No. Only Oak Park switches to summer time, so the gap changes twice a year. From November 1, 2026, Oak Park will be 3 hours behind Rio de Janeiro.
