Chicago to Buenos Aires Time Difference
🇺🇸 Chicago is currently 2 hours ahead of 🇦🇷 Buenos Aires. This difference varies between 2h and 3h due to Daylight Saving Time.
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Atin 🇺🇸 Chicago→it will be—in 🇦🇷 Buenos Aires
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Difference
+2h
Business overlap
7h
Distance
9,012 km
Approx. flight
10.6h
Hour-by-Hour: Chicago to Buenos Aires
| 🇺🇸 Chicago | 🇦🇷 Buenos Aires | Note |
|---|---|---|
| 12:00 AM | 2:00 AM | |
| 1:00 AM | 3:00 AM | |
| 2:00 AM | 4:00 AM | |
| 3:00 AM | 5:00 AM | |
| 4:00 AM | 6:00 AM | |
| 5:00 AM | 7:00 AM | |
| 6:00 AM | 8:00 AM | |
| 7:00 AM | 9:00 AM | |
| 8:00 AM | 10:00 AM | |
| 9:00 AM | 11:00 AM | |
| 10:00 AM | 12:00 PM | |
| 11:00 AM | 1:00 PM | |
| 12:00 PM | 2:00 PM | |
| 1:00 PM | 3:00 PM | |
| 2:00 PM | 4:00 PM | |
| 3:00 PM | 5:00 PM | |
| 4:00 PM | 6:00 PM | |
| 5:00 PM | 7:00 PM | |
| 6:00 PM | 8:00 PM | |
| 7:00 PM | 9:00 PM | |
| 8:00 PM | 10:00 PM | |
| 9:00 PM | 11:00 PM | |
| 10:00 PM | 12:00 AM(next day) | Next day |
| 11:00 PM | 1:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Chicago observes Daylight Saving Time, while Buenos Aires does not. This causes the time difference to shift between 2 hours ahead and 3 hours ahead depending on the season. Currently, Chicago is 2 hours ahead relative to Buenos Aires.
Min difference
2h
Max difference
3h
Best Meeting Times
There are 7 overlapping business hours between Chicago and Buenos Aires (9 AM – 6 PM in each city).
🇺🇸 Chicago
9:00 AM – 4:00 PM
🇦🇷 Buenos Aires
11:00 AM – 6:00 PM
Frequently Asked Questions
What is the time difference between Chicago and Buenos Aires?
The time difference between Chicago and Buenos Aires is currently 2 hours ahead. Chicago uses CDT (UTC-5), while Buenos Aires uses GMT-3 (UTC-3). This difference varies seasonally due to Daylight Saving Time, ranging from 2 hours ahead to 3 hours ahead.
When it's noon in Chicago, what time is it in Buenos Aires?
When it's 12:00 PM (noon) in Chicago, it is 2:00 PM in Buenos Aires. Use our calculator above to convert any other time.
Does the time difference between Chicago and Buenos Aires change?
Yes, the time difference changes throughout the year. Because Chicago observes Daylight Saving Time, the offset shifts between 2 hours ahead and 3 hours ahead at different times of the year.
What are the best times to schedule a call between Chicago and Buenos Aires?
The best time to call is between 9:00 AM and 4:00 PM in Chicago (which is 11:00 AM – 6:00 PM in Buenos Aires). This 7-hour window falls within business hours in both cities.
Is Chicago ahead or behind Buenos Aires?
Chicago is currently 2 hours behind Buenos Aires.
What time zone is Chicago in?
Chicago is in the America/Chicago time zone, currently using CDT (UTC-5). Chicago observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Chicago in Buenos Aires?
When it is midnight (12:00 AM) in Chicago, it is 2:00 AM in Buenos Aires.