Time difference between Chicago and Buenos Aires
Buenos Aires is 2 hours ahead of Chicago
Right now
Chicago
11:38
CDT ·
UTC-5
Buenos Aires
13:38
ART ·
UTC-3
Best time for a call between Chicago and Buenos Aires
Hours highlighted in green work for everyone on the list.
- 09:00 Chicago 11:00 Buenos Aires
- 10:00 Chicago 12:00 Buenos Aires
- 11:00 Chicago 13:00 Buenos Aires
Hour by hour: Chicago to Buenos Aires
Working hours are shaded. The rows marked with a star are the ones we recommend for a call.
| Chicago (reference) | Buenos Aires | |
|---|---|---|
| 00:00 | 02:00 | |
| 01:00 | 03:00 | |
| 02:00 | 04:00 | |
| 03:00 | 05:00 | |
| 04:00 | 06:00 | |
| 05:00 | 07:00 | |
| 06:00 | 08:00 | |
| 07:00 | 09:00 | |
| 08:00 | 10:00 | |
| ★ | 09:00 | 11:00 |
| ★ | 10:00 | 12:00 |
| ★ | 11:00 | 13:00 |
| 12:00 | 14:00 | |
| 13:00 | 15:00 | |
| 14:00 | 16:00 | |
| 15:00 | 17:00 | |
| 16:00 | 18:00 | |
| 17:00 | 19:00 | |
| 18:00 | 20:00 | |
| 19:00 | 21:00 | |
| 20:00 | 22:00 | |
| 21:00 | 23:00 | |
| 22:00 | 00:00 (next day) | |
| 23:00 | 01:00 (next day) |
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 Chicago and Buenos Aires?
Buenos Aires is 2 hours ahead of Chicago
What is the best time to call between Chicago and Buenos Aires?
The most convenient slot is 09:00 Chicago / 11:00 Buenos Aires. That keeps the call inside working hours in both cities.
Does the difference between Chicago and Buenos Aires change during the year?
Chicago changes its clocks and Buenos Aires does not, so the difference between them is not the same all year.