Timetate
A world clock on a live 3D globe. Put Chicago and Vienna on it side by side.
🇺🇸 Chicago (UTC−5) · 🇦🇹 Vienna (UTC+1) · 6 hours difference — Vienna is ahead
Best Time to Meet
🇺🇸 09:00–11:00 in Chicago = 🇦🇹 15:00–17:00 in Vienna2 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 |
| 🇦🇹 Vienna | 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 | 21:00 | 22:00 | 23:00 | 00:00 |
Quick Reference
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Open Meeting Planner →Calls between Chicago and Vienna usually connect finance and derivatives and logistics on one side with international organisations and banking on the other. The gap is 6 hours, with Vienna the one whose clock reads later.
Both cities work Monday to Friday, Chicago typically 08:30–17:30 and Vienna 08:30–17:00 local time. Watch for Thanksgiving (fourth Thursday of November, with the Friday) and Independence Day (4 July) in Chicago and National Day (26 October) and Corpus Christi (May or June) in Vienna. Replies slow in Chicago during Thanksgiving week and the last week of December and in Vienna during August, and Christmas to Epiphany on 6 January.
The shared window is short: 09:00–11:00 Chicago time, 15:00–17:00 in Vienna. Guard it for the conversations that need everyone, and let the rest happen in writing. Each side observes daylight saving on its own schedule; the gap moves twice a year and back again.
Vienna is 6 hours ahead of Chicago. The gap changes by an hour around the clock changes.
09:00–11:00 Chicago time, which is 15:00–17:00 in Vienna — the 2-hour stretch when both are inside 09:00–17:00.
Both work Monday to Friday, so any weekday works.
For the working day, yes — the gap is not wide enough to push office hours across midnight.
Explore city time zones
Other meeting times with Chicago
Times on this page were calculated on .