Chicago, United States Buenos Aires, Argentina
Compare time between Chicago and Buenos Aires
Frequently Asked Questions
Chicago is in the CDT timezone (UTC-5) and Buenos Aires is in the -03 timezone (UTC-3). The time difference between them is 2 hours.
Use the timeline above to find overlapping business hours between Chicago and Buenos Aires. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).
Chicago observes Daylight Saving Time, while Buenos Aires does not. When DST is active in Chicago, the time difference changes by 1 hour.
Click the pencil icon next to the Chicago clock and type any time. The Buenos Aires clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.