🇺🇸 Chicago (UTC−5) · 🇬🇷 Athens (UTC+3) · 8 hours difference — Athens is ahead
Best Time to Meet
No standard business-hours overlap. Extended window: 07:00–12:00 in ChicagoAt least one city will be in early morning or evening hours.
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 |
| 🇬🇷 Athens | 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 | 21:00 | 22:00 | 23:00 | 00:00 | 01:00 | 02:00 |
Quick Reference
Add more cities, find the best slot, and export to Google Calendar — all for free.
Open Meeting Planner →Athens is 8 hours ahead of Chicago. Chicago is UTC−5 and Athens is UTC+3.
There is no direct business-hours overlap. The closest window is 07:00–12:00 Chicago time, when at least one city is in extended hours.
It can change if one or both cities observe Daylight Saving Time (DST) and their clocks change on different dates. Always check a live world clock before scheduling important meetings.
When it is 09:00 in Chicago (UTC−5), it is 17:00 in Athens (UTC+3).
Explore city time zones
Related Meeting Comparisons