Time difference
Chicago to Vienna Time Difference
Vienna is 7 hours ahead of Chicago — when it's 12:00 PM in Chicago, it's 7:00 PM in Vienna. (Chicago (America/Chicago, CDT); Vienna (Europe/Vienna, CEST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Vienna is 7 hours ahead of Chicago. The best window for a call is 9 AM–10 AM in Chicago, which is 4 PM–5 PM in Vienna — a 1-hour overlap inside 9 AM–5 PM on both sides. Clocks change on October 25, 2026, which briefly shifts the gap between Chicago and Vienna — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Chicago, it's 4:00 PM in Vienna.
- When it's 9:00 AM in Vienna, it's 2:00 AM in Chicago.
Vienna is currently 7 hours ahead of Chicago.
Interactive converter
12:00PM
--:----
Best times to meet
The 9 AM – 5 PM business windows in Chicago and Vienna overlap for 1 hour. 9 AM–10 AM in Chicago is 4 PM–5 PM in Vienna. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.
Quick conversion table
| Chicago | Vienna |
|---|---|
| 12 AM | 7:00 AM |
| 1 AM | 8:00 AM |
| 2 AM | 9:00 AM |
| 3 AM | 10:00 AM |
| 4 AM | 11:00 AM |
| 5 AM | 12:00 PM |
| 6 AM | 1:00 PM |
| 7 AM | 2:00 PM |
| 8 AM | 3:00 PM |
| 9 AM | 4:00 PM |
| 10 AM | 5:00 PM |
| 11 AM | 6:00 PM |
| 12 PM | 7:00 PM |
| 1 PM | 8:00 PM |
| 2 PM | 9:00 PM |
| 3 PM | 10:00 PM |
| 4 PM | 11:00 PM |
| 5 PM | 12:00 AM (next day) |
| 6 PM | 1:00 AM (next day) |
| 7 PM | 2:00 AM (next day) |
| 8 PM | 3:00 AM (next day) |
| 9 PM | 4:00 AM (next day) |
| 10 PM | 5:00 AM (next day) |
| 11 PM | 6:00 AM (next day) |
Daylight saving
On October 25, 2026, Vienna shifts for daylight saving. After that, Vienna will be 6 hours ahead of Chicago (currently 7 hours ahead of Chicago). The converter and the tables above always reflect the correct offset for the date you pick.
- Chicago is currently observing daylight saving time.
- Vienna is currently observing daylight saving time.
Frequently asked questions
- Is Vienna ahead of or behind Chicago?
- Vienna is 7 hours ahead of Chicago.
- How many hours ahead of Chicago is Vienna?
- Vienna is 7 hours ahead of Chicago.
- What time is 9 AM in Chicago in Vienna?
- 9:00 AM in Chicago is 4:00 PM in Vienna.
- What time is noon in Chicago in Vienna?
- 12:00 PM in Chicago is 7:00 PM in Vienna.
- What time is 5 PM in Chicago in Vienna?
- 5:00 PM in Chicago is 12:00 AM the next day in Vienna. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Chicago in Vienna?
- 3:00 PM in Chicago is 10:00 PM in Vienna.
- Is Chicago currently observing daylight saving time?
- Chicago is currently observing daylight saving time (summer time).
- Is Vienna currently observing daylight saving time?
- Vienna is currently observing daylight saving time (summer time).
- Do Chicago and Vienna observe daylight saving?
- On October 25, 2026, Vienna shifts for daylight saving. After that, Vienna will be 6 hours ahead of Chicago (currently 7 hours ahead of Chicago). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Vienna from Chicago?
- Aim for 9 AM–10 AM in Chicago, which is 4 PM–5 PM in Vienna.
- When is the best time to call Chicago from Vienna?
- Aim for 4 PM–5 PM in Vienna, which is 9 AM–10 AM in Chicago.
- Chicago (CDT) to Vienna (CEST) — how do I convert quickly?
- Add 7 hours to Chicago local time to get Vienna local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- Chicago to New York
- Chicago to London
- Chicago to Tokyo
- Chicago to Dubai
- Chicago to Singapore
- Chicago to Los Angeles
- Chicago to Sydney
- Chicago to Paris
- Chicago to Mumbai
- Chicago to Hong Kong