Chicago to Buenos Aires Time Difference

Buenos Aires is 2 hours ahead of Chicago. When it is noon in Chicago, it is 14:00 in Buenos Aires.

Chicago (UTC-5)Buenos Aires (UTC-3)

Chicago

United States

⏱️2 hours ahead
13:02

Fri, Apr 24

📞 +1💱 USD

Buenos Aires

Argentina

15:02

Fri, Apr 24

📞 +54💱 ARS

🕐 Interactive Time Explorer

When it's 18:00 in Chicago, it's 20:00 in Buenos Aires

Drag the slider to see corresponding times in both cities

18:00
0:006:0012:0018:0023:00
Chicago
18:00
Buenos Aires
20:00
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🤝 Best Meeting Times

Chicago & Buenos Aires
Times shown in Chicago time
Excellent - Both in office
Good - Flexible hours

✓ Perfect Match (6 hours)

◐ Extended Hours (4 hours)

✈️ Travel Information

Distance

9,012 km

Est. Flight Time

~11.6h

Time Difference

+2h

Work Hours Overlap

6h

Excellent

🟢 Good to Call Now

13:02

09:00 - 15:00

⏰ Quick Conversion

06:00

Chicago

08:00

Buenos Aires

09:00

Chicago

11:00

Buenos Aires

12:00

Chicago

14:00

Buenos Aires

15:00

Chicago

17:00

Buenos Aires

18:00

Chicago

20:00

Buenos Aires

21:00

Chicago

23:00

Buenos Aires

00:00

Chicago

02:00

Buenos Aires

03:00

Chicago

05:00

Buenos Aires

Frequently Asked Questions

How many hours is Chicago behind Buenos Aires?

Buenos Aires is 2 hours ahead of Chicago. When it is 12:00 noon in Chicago, it is 14:00 in Buenos Aires. Chicago operates on America/Chicago (UTC-5), while Buenos Aires uses America/Argentina/Buenos Aires (UTC-3).

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

There are 6 hours of overlapping business time (9 AM–5 PM) between Chicago and Buenos Aires. The best window is 09:00–15:00 Chicago time (11:00–17:00 in Buenos Aires).

Does the Chicago to Buenos Aires time difference change throughout the year?

The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.

Flying between Chicago and Buenos Aires

The distance between Chicago and Buenos Aires is approximately 9,012 km. A direct flight typically takes around 11.6 hours. Your arrival clock will show local Buenos Aires time — use our Flight Time Calculator to predict exact arrival times.