Time Difference

Brasília vs Chicago Time Difference

Compare the current local time in Brasília, Brazil and Chicago, United States.

Live local timeDST awareUTC offsets

From

Brasília

Brazil

3:47 AM

Sun, Nov 1

UTC-3America/Sao_Paulo

Difference

2 hours

Swap

Chicago

United States

1:47 AM

Sun, Nov 1

UTC-5America/Chicago

Current difference

Chicago is currently 2 hours behind Brasília.

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

24-hour comparison

Compare Brasília and Chicago hour by hour

See how a full local day in Brasília, 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

12:00 PM – 6:00 PM in Brasília

corresponds to 9:00 AM – 3:00 PM in Chicago.

6 hours overlap

Brasília

America/Sao_Paulo

Chicago

America/Chicago

Availability

12:00 AM

Sun, Nov 1

10:00 PM

Previous day

Sat, Oct 31

Night

1:00 AM

Sun, Nov 1

11:00 PM

Previous day

Sat, Oct 31

Night

2:00 AM

Sun, Nov 1

12:00 AM

Sun, Nov 1

Night

3:00 AM

Sun, Nov 1

1:00 AM

Sun, Nov 1

Night

4:00 AM

Sun, Nov 1

1:00 AM

Sun, Nov 1

Night

5:00 AM

Sun, Nov 1

2:00 AM

Sun, Nov 1

Night

6:00 AM

Sun, Nov 1

3:00 AM

Sun, Nov 1

Night

7:00 AM

Sun, Nov 1

4:00 AM

Sun, Nov 1

Night

8:00 AM

Sun, Nov 1

5:00 AM

Sun, Nov 1

Night

9:00 AM

Sun, Nov 1

6:00 AM

Sun, Nov 1

Night

10:00 AM

Sun, Nov 1

7:00 AM

Sun, Nov 1

Possible

11:00 AM

Sun, Nov 1

8:00 AM

Sun, Nov 1

Possible

12:00 PM

Sun, Nov 1

9:00 AM

Sun, Nov 1

Good overlap

1:00 PM

Sun, Nov 1

10:00 AM

Sun, Nov 1

Good overlap

2:00 PM

Sun, Nov 1

11:00 AM

Sun, Nov 1

Good overlap

3:00 PM

Sun, Nov 1

12:00 PM

Sun, Nov 1

Good overlap

4:00 PM

Sun, Nov 1

1:00 PM

Sun, Nov 1

Good overlap

5:00 PM

Sun, Nov 1

2:00 PM

Sun, Nov 1

Good overlap

6:00 PM

Sun, Nov 1

3:00 PM

Sun, Nov 1

Possible

7:00 PM

Sun, Nov 1

4:00 PM

Sun, Nov 1

Possible

8:00 PM

Sun, Nov 1

5:00 PM

Sun, Nov 1

Possible

9:00 PM

Sun, Nov 1

6:00 PM

Sun, Nov 1

Night

10:00 PM

Sun, Nov 1

7:00 PM

Sun, Nov 1

Night

11:00 PM

Sun, Nov 1

8:00 PM

Sun, Nov 1

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 Brasília

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

Brasília

12:00 PM – 6:00 PM

Brazil

Best overlap

Chicago

9:00 AM – 3:00 PM

United States

The best time to call Chicago from Brasília is between 12:00 PM and 6:00 PM in Brasília. This corresponds to 9:00 AM – 3:00 PM in Chicago.

Other reasonable windows

Brasília

10:00 AM – 12:00 PM

Chicago

7:00 AM – 9:00 AM

Brasília

6:00 PM – 9:00 PM

Chicago

3:00 PM – 6:00 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

Brasília and Chicago time difference explained

Current local-time relationship

Chicago is currently 2 hours behind Brasília.

Brasília 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 Brasília, 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 Brasília and Chicago.

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Local clocks

Explore each city

Current time in Brasília Current time in Chicago

FAQ

Brasília to Chicago time difference FAQ

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

What is the time difference between Brasília and Chicago?

The current time difference between Brasília and Chicago is 2 hours. Chicago is currently 2 hours behind Brasília.

Is Chicago ahead of or behind Brasília?

Chicago is currently 2 hours behind Brasília.

What time is it in Chicago when it is 9:00 AM in Brasília?

Using the current UTC offsets, 9:00 AM in Brasília 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 Brasília?

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

Can the time difference between Brasília and Chicago change?

Yes. The time difference can change if Brasília 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.