Buenos Aires to Chicago time converter

Chicago is 2 hours behind Buenos Aires. When it is 9:00 AM in Buenos Aires, it is 7:00 AM in Chicago.

Buenos Aires ART

Friday, October 16, 2026

Chicago CDT

Friday, October 16, 2026

Argentina
Fri, Oct 16
ARTUTC-3
Illinois, United States
Fri, Oct 16
CDTUTC-5-2h
Finding your time zone…

4:10 PM in Buenos Aires, Friday, October 16, 2026

Shared working hours (9:00–18:00)

Buenos Aires to Chicago conversion table

Every hour of today in Buenos Aires and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).

Buenos AiresChicago
12:00 AM10:00 PM−1 day
1:00 AM11:00 PM−1 day
2:00 AM12:00 AM
3:00 AM1:00 AM
4:00 AM2:00 AM
5:00 AM3:00 AM
6:00 AM4:00 AM
7:00 AM5:00 AM
8:00 AM6:00 AM
9:00 AM7:00 AM
10:00 AM8:00 AM
11:00 AM9:00 AM
12:00 PM10:00 AM
1:00 PM11:00 AM
2:00 PM12:00 PM
3:00 PM1:00 PM
4:00 PM2:00 PM
5:00 PM3:00 PM
6:00 PM4:00 PM
7:00 PM5:00 PM
8:00 PM6:00 PM
9:00 PM7:00 PM
10:00 PM8:00 PM
11:00 PM9:00 PM

Best time to call or meet

Both sides are at work from 11:00 AM – 6:00 PM in Buenos Aires (9:00 AM – 4:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Buenos Aires and Chicago switch clocks on different dates:

  • Oct 16, 2026 – Nov 1, 2026: -2h
  • Nov 1, 2026 – Mar 14, 2027: -3h
  • Mar 14, 2027 – Oct 16, 2027: -2h

Distance

Buenos Aires and Chicago are 9,011 km (5,599 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Buenos Aires and Chicago?

Chicago is 2 hours behind Buenos Aires.

What time is it in Chicago when it is 9 AM in Buenos Aires?

When it is 9:00 AM in Buenos Aires, it is 7:00 AM in Chicago.

When is the best time to call Chicago from Buenos Aires?

Both sides are at work from 11:00 AM – 6:00 PM in Buenos Aires (9:00 AM – 4:00 PM in Chicago).

Does the time difference between Buenos Aires and Chicago change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.