Buenos Aires to Chicago Time Difference

How many hours is Buenos Aires ahead of Chicago?

Chicago is 2 hours behind Buenos Aires. When it is 12:00 noon in Buenos Aires, it is 10:00 in Chicago. Buenos Aires operates on America/Argentina/Buenos Aires (UTC-3), while Chicago uses America/Chicago (UTC-5).

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

There are 7 hours of overlapping business time (9 AM–5 PM) between Buenos Aires and Chicago. The best window is 11:00–18:00 Buenos Aires time (09:00–16:00 in Chicago).

Does the Buenos Aires to Chicago 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 Buenos Aires and Chicago

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