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)
🕐 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
🤝 Best Meeting Times
Chicago & Buenos Aires✓ 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.