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Time difference between Buenos Aires and Chicago

Chicago is 2 hours behind Buenos Aires

Right now

Buenos Aires
13:38
ART · UTC-3
Chicago
11:38
CDT · UTC-5

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Best time for a call between Buenos Aires and Chicago

Hours highlighted in green work for everyone on the list.

  • 11:00 Buenos Aires 09:00 Chicago
  • 12:00 Buenos Aires 10:00 Chicago
  • 13:00 Buenos Aires 11:00 Chicago

Hour by hour: Buenos Aires to Chicago

Working hours are shaded. The rows marked with a star are the ones we recommend for a call.

Buenos Aires (reference) Chicago
00:00 22:00 (previous day)
01:00 23:00 (previous day)
02:00 00:00
03:00 01:00
04:00 02:00
05:00 03:00
06:00 04:00
07:00 05:00
08:00 06:00
09:00 07:00
10:00 08:00
★ 11:00 09:00
★ 12:00 10:00
★ 13:00 11:00
14:00 12:00
15:00 13:00
16:00 14:00
17:00 15:00
18:00 16:00
19:00 17:00
20:00 18:00
21:00 19:00
22:00 20:00
23:00 21:00

Table built for August 26, 2026. The live values above update in your browser.

Daylight saving time

Chicago changes its clocks and Buenos Aires does not, so the difference between them is not the same all year.

Frequently asked questions

What is the time difference between Buenos Aires and Chicago?

Chicago is 2 hours behind Buenos Aires

What is the best time to call between Buenos Aires and Chicago?

The most convenient slot is 11:00 Buenos Aires / 09:00 Chicago. That keeps the call inside working hours in both cities.

Does the difference between Buenos Aires and Chicago change during the year?

Chicago changes its clocks and Buenos Aires does not, so the difference between them is not the same all year.

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