Time Difference Between Vienna and Chicago

The time difference between Vienna and Chicago is 7 hours. When it is 12:00 noon in Vienna, it is 05:00 in Chicago. Vienna uses the Europe/Vienna time zone (UTC+1), while Chicago uses America/Chicago (UTC-6).

Chicago is 7 hours behind Vienna — 7 hours
Vienna, Austria
17:20:44
Saturday, November 7, 2026
UTC+1 · CET
↔
Chicago, United States
10:20:44
Saturday, November 7, 2026
UTC-6 · CST

Time Zone Details: Vienna vs Chicago

Detail Vienna Chicago
Time Zone IDEurope/ViennaAmerica/Chicago
UTC OffsetUTC+1UTC-6
AbbreviationCETCST
DST ActiveNoNo
CountryAustriaUnited States
RegionEuropeNorth America

Best Time to Schedule a Call

There are 1 overlapping business hours between Vienna and Chicago (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

16:00–17:00 in Vienna  =  09:00–10:00 in Chicago

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Vienna time to Chicago time. Rows highlighted in green indicate overlapping business hours in both cities.

Vienna Chicago
00:00 17:00 (-1 day) Night
01:00 18:00 (-1 day) Night
02:00 19:00 (-1 day) Night
03:00 20:00 (-1 day) Night
04:00 21:00 (-1 day) Night
05:00 22:00 (-1 day) Night
06:00 23:00 (-1 day)
07:00 00:00
08:00 01:00
09:00 02:00
10:00 03:00
11:00 04:00
12:00 05:00
13:00 06:00
14:00 07:00
15:00 08:00
16:00 09:00 Overlap
17:00 10:00
18:00 11:00
19:00 12:00
20:00 13:00
21:00 14:00
22:00 15:00 Night
23:00 16:00 Night

Daylight Saving Time (DST) Impact

Neither Vienna nor Chicago is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Vienna–Chicago Scheduling

Compare Vienna and Chicago with Other Cities

From Vienna

From Chicago

Frequently Asked Questions

What is the time difference between Vienna and Chicago?

The time difference is 7 hours. Chicago is 7 hours behind Vienna.

Does the time difference change during the year?

It can. If either Vienna or Chicago observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Vienna to Chicago?

The best window is between 16:00 and 17:00 Vienna time, which corresponds to 09:00–10:00 in Chicago. Both sides fall within normal business hours.

How do I convert Vienna time to Chicago time?

Subtract 7 hours from Vienna time to get Chicago time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.