Timetate
A world clock on a live 3D globe. Put Chicago and Buenos Aires on it side by side.
🇺🇸 Chicago (UTC−5) · 🇦🇷 Buenos Aires (UTC−3) · 2 hours difference — Buenos Aires is ahead
Best Time to Meet
🇺🇸 09:00–15:00 in Chicago = 🇦🇷 11:00–17:00 in Buenos Aires6 hours of overlap within standard business hours (09:00–17:00)
24-Hour Schedule
| City | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 🇺🇸 Chicago | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 |
| 🇦🇷 Buenos Aires | 21:00 | 22:00 | 23:00 | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 |
Quick Reference
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Open Meeting Planner →Chicago's finance and derivatives and logistics and Buenos Aires's agribusiness and software are different worlds, which is exactly why they call each other. Buenos Aires runs 2 hours ahead of Chicago.
The working week is Monday to Friday on both sides: roughly 08:30–17:30 in Chicago and 09:00–18:00 in Buenos Aires. On the Chicago side the dates that break a schedule are Thanksgiving (fourth Thursday of November, with the Friday) and Independence Day (4 July); on the Buenos Aires side, Carnival (Monday and Tuesday in February or March) and May Revolution Day (25 May).
The comfortable window is 09:00–15:00 Chicago time, which is 11:00–17:00 in Buenos Aires — 6 shared office hours, enough that nobody has to stretch. Only Chicago changes its clocks, so the gap shifts by an hour twice a year while Buenos Aires stays put.
Buenos Aires is 2 hours ahead of Chicago. The gap changes by an hour around the clock changes.
09:00–15:00 Chicago time, which is 11:00–17:00 in Buenos Aires — the 6-hour stretch when both are inside 09:00–17:00.
Only Chicago does. The gap shifts by an hour twice a year while Buenos Aires stays on the same offset.
The ones that most often surprise the other side are Thanksgiving (fourth Thursday of November, with the Friday) and Independence Day (4 July) in Chicago and Carnival (Monday and Tuesday in February or March) and May Revolution Day (25 May) in Buenos Aires.
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Times on this page were calculated on .