Time difference between Buenos Aires and Chicago
Compare the current local time in Buenos Aires and Chicago, see when your working hours overlap, and convert any specific hour between the two timezones.
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Convert a specific time
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Working-hours overlap
When Buenos Aires's 9:00–18:00 business hours overlap with Chicago's.
Buenos Aires working hours
Chicago working hours
Overlap (both working)
🇦🇷 Buenos Aires
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🇺🇸 Chicago
Scheduling across Buenos Aires and Chicago
Working across Buenos Aires and Chicago is very easy. Their standard business hours overlap for around 7 hours every day, from 11:00 to 18:00 in Buenos Aires (09:00 to 16:00 in Chicago). Meetings can sit comfortably inside the regular working day on both sides.
Quick reference
| 🇦🇷 Buenos Aires | 🇺🇸 Chicago | In Chicago it's… |
|---|---|---|
| 06:00 — Early morning | — | — |
| 09:00 — Start of work | — | — |
| 12:00 — Lunchtime | — | — |
| 15:00 — Mid-afternoon | — | — |
| 17:00 — End of work | — | — |
| 20:00 — Evening | — | — |
Daylight saving status
🇦🇷 Buenos Aires
Buenos Aires does not observe daylight saving time. The local offset is fixed year-round.
🇺🇸 Chicago
Currently in CDT (daylight saving)
Clocks go back to CST
on Sunday 1 November 2026