Live Synchronized Time Difference
Rio de JaneirotoChicagoTime Difference
🇧🇷
Rio de Janeiro
Brazil (GMT-3)12:11:58UTC-3:00
🇺🇸
Chicago
United States (CDT)10:11:58UTC-5:00
Direct Distance8,531 km (5,301 miles)
Estimated Flight Time~10.5 hours
Business Overlap6 overlapping hours (9am–5pm)
Mutual Working Window: 6 Overlapping Hours
Recommended calling window between Rio de Janeiro and Chicago
Active Calling Window Now
Rio de Janeiro Time
11:00 AM – 5:00 PM
Chicago Time
9:00 AM – 3:00 PM
Both locations share 6 overlapping standard business hours (9:00 AM – 5:00 PM). This is the premier window for real-time video conferences, corporate calls, and instant collaboration without outside-hours disruption.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between Rio de Janeiro and Chicago.
Work (9am-5pm)ShoulderSleep / Off
| Rio de Janeiro Time (Brazil) | Chicago Time (United States) | Status & Recommendation |
|---|---|---|
| 00:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 00:00AM | ⚪ Outside Work Hours |
| 03:00AM | 01:00AM | ⚪ Outside Work Hours |
| 04:00AM | 02:00AM | ⚪ Outside Work Hours |
| 05:00AM | 03:00AM | ⚪ Outside Work Hours |
| 06:00AM | 04:00AM | ⚪ Outside Work Hours |
| 07:00AM | 05:00AM | ⚪ Outside Work Hours |
| 08:00AM | 06:00AM | ⚪ Outside Work Hours |
| 09:00AM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 10:00AM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 11:00AM | 09:00AM | 🟢 Ideal Meeting Window |
| 12:00PM | 10:00AM | 🟢 Ideal Meeting Window |
| 13:00PM | 11:00AM | 🟢 Ideal Meeting Window |
| 14:00PM | 12:00PM | 🟢 Ideal Meeting Window |
| 15:00PM | 13:00PM | 🟢 Ideal Meeting Window |
| 16:00PM | 14:00PM | 🟢 Ideal Meeting Window |
| 17:00PM | 15:00PM | ⚪ Outside Work Hours |
| 18:00PM | 16:00PM | ⚪ Outside Work Hours |
| 19:00PM | 17:00PM | ⚪ Outside Work Hours |
| 20:00PM | 18:00PM | ⚪ Outside Work Hours |
| 21:00PM | 19:00PM | ⚪ Outside Work Hours |
| 22:00PM | 20:00PM | ⚪ Outside Work Hours |
| 23:00PM | 21:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Rio de Janeiro and Chicago?
Chicago is 2 hours behind Rio de Janeiro.
What is the best time to schedule a cross-border meeting between Rio de Janeiro and Chicago?
There are 6 overlapping standard business hours (09:00 - 17:00) between Rio de Janeiro and Chicago. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between Rio de Janeiro and Chicago?
Yes. If either Brazil or United States observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.