Time Difference

Rio de Janeiro vs Chicago Time Difference

Compare the current local time in Rio de Janeiro, Brazil and Chicago, United States.

Live local timeDST awareUTC offsets

From

Rio de Janeiro

Brazil

7:41 PM

Sun, Aug 16

UTC-3America/Sao_Paulo

Difference

2 hours

Swap

Chicago

United States

5:41 PM

Sun, Aug 16

UTC-5America/Chicago

Current difference

Chicago is currently 2 hours behind Rio de Janeiro.

This difference is calculated using the current UTC offsets for both locations and automatically reflects daylight-saving changes.

24-hour comparison

Compare Rio de Janeiro and Chicago hour by hour

See how a full local day in Rio de Janeiro, Brazil maps to Chicago, United States. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.

24-hour day

Best working-hours overlap

11:00 AM – 6:00 PM in Rio de Janeiro

corresponds to 9:00 AM – 4:00 PM in Chicago.

7 hours overlap

Rio de Janeiro

America/Sao_Paulo

Chicago

America/Chicago

Availability

12:00 AM

Sun, Aug 16

10:00 PM

Previous day

Sat, Aug 15

Night

1:00 AM

Sun, Aug 16

11:00 PM

Previous day

Sat, Aug 15

Night

2:00 AM

Sun, Aug 16

12:00 AM

Sun, Aug 16

Night

3:00 AM

Sun, Aug 16

1:00 AM

Sun, Aug 16

Night

4:00 AM

Sun, Aug 16

2:00 AM

Sun, Aug 16

Night

5:00 AM

Sun, Aug 16

3:00 AM

Sun, Aug 16

Night

6:00 AM

Sun, Aug 16

4:00 AM

Sun, Aug 16

Night

7:00 AM

Sun, Aug 16

5:00 AM

Sun, Aug 16

Night

8:00 AM

Sun, Aug 16

6:00 AM

Sun, Aug 16

Night

9:00 AM

Sun, Aug 16

7:00 AM

Sun, Aug 16

Possible

10:00 AM

Sun, Aug 16

8:00 AM

Sun, Aug 16

Possible

11:00 AM

Sun, Aug 16

9:00 AM

Sun, Aug 16

Good overlap

12:00 PM

Sun, Aug 16

10:00 AM

Sun, Aug 16

Good overlap

1:00 PM

Sun, Aug 16

11:00 AM

Sun, Aug 16

Good overlap

2:00 PM

Sun, Aug 16

12:00 PM

Sun, Aug 16

Good overlap

3:00 PM

Sun, Aug 16

1:00 PM

Sun, Aug 16

Good overlap

4:00 PM

Sun, Aug 16

2:00 PM

Sun, Aug 16

Good overlap

5:00 PM

Sun, Aug 16

3:00 PM

Sun, Aug 16

Good overlap

6:00 PM

Sun, Aug 16

4:00 PM

Sun, Aug 16

Possible

7:00 PM

Sun, Aug 16

5:00 PM

Sun, Aug 16

Possible

8:00 PM

Sun, Aug 16

6:00 PM

Sun, Aug 16

Possible

9:00 PM

Sun, Aug 16

7:00 PM

Sun, Aug 16

Night

10:00 PM

Sun, Aug 16

8:00 PM

Sun, Aug 16

Night

11:00 PM

Sun, Aug 16

9:00 PM

Sun, Aug 16

Night

Working-hour labels use a general 9:00 AM–6:00 PM schedule. Individual schedules may differ.

On daylight-saving transition dates, a local day can contain 23 or 25 real hours instead of 24.

Call planning

Best time to call Chicago from Rio de Janeiro

Compare typical business hours in Rio de Janeiro, Brazil and Chicago, United States to find a practical time for calls, meetings or international coordination.

Rio de Janeiro

11:00 AM – 6:00 PM

Brazil

Best overlap

Chicago

9:00 AM – 4:00 PM

United States

The best time to call Chicago from Rio de Janeiro is between 11:00 AM and 6:00 PM in Rio de Janeiro. This corresponds to 9:00 AM – 4:00 PM in Chicago.

Other reasonable windows

Rio de Janeiro

9:00 AM – 11:00 AM

Chicago

7:00 AM – 9:00 AM

Rio de Janeiro

6:00 PM – 9:00 PM

Chicago

4:00 PM – 7:00 PM

Recommendations use typical 9:00 AM–6:00 PM business hours and a broader 7:00 AM–9:00 PM acceptable calling window. Individual schedules may differ.

Time difference explained

Rio de Janeiro and Chicago time difference explained

Current local-time relationship

Chicago is currently 2 hours behind Rio de Janeiro.

Rio de Janeiro uses America/Sao_Paulo and currently has an offset of UTC-3. Chicago uses America/Chicago and currently has an offset of UTC-5.

Working-hours overlap

For a typical 9:00 AM–6:00 PM workday, the cities overlap from 11:00 AM to 6:00 PM in Rio de Janeiro, corresponding to 9:00 AM–4:00 PM in Chicago.

Because UTC offsets can change during the year, always check the selected date when planning an important international call or meeting.

Convert a specific time

Need more than the current difference?

Convert a specific date and local time between Rio de Janeiro and Chicago.

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Local clocks

Explore each city

Current time in Rio de Janeiro Current time in Chicago

FAQ

Rio de Janeiro to Chicago time difference FAQ

Common questions about the current time difference, UTC offsets, daylight-saving changes and practical calling hours between Rio de Janeiro and Chicago.

What is the time difference between Rio de Janeiro and Chicago?

The current time difference between Rio de Janeiro and Chicago is 2 hours. Chicago is currently 2 hours behind Rio de Janeiro.

Is Chicago ahead of or behind Rio de Janeiro?

Chicago is currently 2 hours behind Rio de Janeiro.

What time is it in Chicago when it is 9:00 AM in Rio de Janeiro?

Using the current UTC offsets, 9:00 AM in Rio de Janeiro corresponds to 7:00 AM in Chicago. The exact difference can change when daylight-saving rules change.

What is the best time to call Chicago from Rio de Janeiro?

Typical 9:00 AM–6:00 PM business hours overlap between 11:00 AM and 6:00 PM in Rio de Janeiro. This corresponds to 9:00 AM–4:00 PM in Chicago.

Can the time difference between Rio de Janeiro and Chicago change?

Yes. The time difference can change if Rio de Janeiro or Chicago changes its UTC offset because of daylight-saving or other local time-zone rules. TimeInOne uses the IANA zones America/Sao_Paulo and America/Chicago for date-aware calculations.