Time Difference Between Buenos Aires and Chicago
Buenos Aires is normally 3 hours ahead of Chicago.
This page shows the live time difference between Buenos Aires, Argentina and Chicago, United States. Buenos Aires uses the America/Argentina/Buenos_Aires time zone (UTC-3 standard) and Chicago uses America/Chicago (UTC-6 standard), so Buenos Aires is normally 3 hours ahead of Chicago. Because Chicago observes daylight saving time, the exact gap can shift by an hour during the year. The clocks above update live, so you always see the current difference, which is handy for scheduling calls, meetings and travel between the two cities.
Buenos Aires
- Country
- Argentina
- Time zone
- America/Argentina/Buenos_Aires
- Standard offset
- UTC-3
- Daylight saving
- Not observed
- Current offset
- …
Chicago
- Country
- United States
- Time zone
- America/Chicago
- Standard offset
- UTC-6
- Daylight saving
- Observed
- Current offset
- …
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Compare any other two places on the time difference hub, or open the interactive world time zone map to pin cities and compare live.
Frequently asked questions
What is the time difference between Buenos Aires and Chicago?
Buenos Aires is normally 3 hours ahead of Chicago (Buenos Aires is UTC-3, Chicago is UTC-6). Daylight saving time can change this by an hour, so the live clocks above always show the current difference.
Is Buenos Aires ahead of or behind Chicago?
Buenos Aires is ahead of Chicago by 3 hours under standard time.
Do Buenos Aires and Chicago use daylight saving time?
Buenos Aires stays on the same offset all year; Chicago observes daylight saving time.