Viseu to Chicago time converter
Chicago is 6 hours behind Viseu. When it is 9:00 AM in Viseu, it is 3:00 AM in Chicago.
9:24 PM in Viseu, Friday, October 16, 2026
Viseu to Chicago conversion table
Every hour of today in Viseu and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).
| Viseu | Chicago |
|---|---|
| 12:00 AM | 6:00 PM−1 day |
| 1:00 AM | 7:00 PM−1 day |
| 2:00 AM | 8:00 PM−1 day |
| 3:00 AM | 9:00 PM−1 day |
| 4:00 AM | 10:00 PM−1 day |
| 5:00 AM | 11:00 PM−1 day |
| 6:00 AM | 12:00 AM |
| 7:00 AM | 1:00 AM |
| 8:00 AM | 2:00 AM |
| 9:00 AM | 3:00 AM |
| 10:00 AM | 4:00 AM |
| 11:00 AM | 5:00 AM |
| 12:00 PM | 6:00 AM |
| 1:00 PM | 7:00 AM |
| 2:00 PM | 8:00 AM |
| 3:00 PM | 9:00 AM |
| 4:00 PM | 10:00 AM |
| 5:00 PM | 11:00 AM |
| 6:00 PM | 12:00 PM |
| 7:00 PM | 1:00 PM |
| 8:00 PM | 2:00 PM |
| 9:00 PM | 3:00 PM |
| 10:00 PM | 4:00 PM |
| 11:00 PM | 5:00 PM |
Best time to call or meet
Both sides are at work from 3:00 PM – 6:00 PM in Viseu (9:00 AM – 12:00 PM in Chicago).
Daylight saving time and the difference
The difference changes during the year because Viseu and Chicago switch clocks on different dates:
- Oct 16, 2026 – Oct 25, 2026: -6h
- Oct 25, 2026 – Nov 1, 2026: -5h
- Nov 1, 2026 – Mar 14, 2027: -6h
- Mar 14, 2027 – Mar 28, 2027: -5h
- Mar 28, 2027 – Oct 16, 2027: -6h
Distance
Viseu and Chicago are 6,408 km (3,982 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Viseu and Chicago?
Chicago is 6 hours behind Viseu.
What time is it in Chicago when it is 9 AM in Viseu?
When it is 9:00 AM in Viseu, it is 3:00 AM in Chicago.
When is the best time to call Chicago from Viseu?
Both sides are at work from 3:00 PM – 6:00 PM in Viseu (9:00 AM – 12:00 PM in Chicago).
Does the time difference between Viseu and Chicago change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.