Viana do Castelo to Chicago time converter

Chicago is 6 hours behind Viana do Castelo. When it is 9:00 AM in Viana do Castelo, it is 3:00 AM in Chicago.

Viana do Castelo WEST

Monday, October 19, 2026

Chicago CDT

Monday, October 19, 2026

Mon, Oct 19
WESTUTC+1
Illinois, United States
Mon, Oct 19
CDTUTC-5-6h
Finding your time zone…

11:14 PM in Viana do Castelo, Monday, October 19, 2026

Shared working hours (9:00–18:00)

Viana do Castelo to Chicago conversion table

Every hour of today in Viana do Castelo and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).

Viana do CasteloChicago
12:00 AM6:00 PM−1 day
1:00 AM7:00 PM−1 day
2:00 AM8:00 PM−1 day
3:00 AM9:00 PM−1 day
4:00 AM10:00 PM−1 day
5:00 AM11:00 PM−1 day
6:00 AM12:00 AM
7:00 AM1:00 AM
8:00 AM2:00 AM
9:00 AM3:00 AM
10:00 AM4:00 AM
11:00 AM5:00 AM
12:00 PM6:00 AM
1:00 PM7:00 AM
2:00 PM8:00 AM
3:00 PM9:00 AM
4:00 PM10:00 AM
5:00 PM11:00 AM
6:00 PM12:00 PM
7:00 PM1:00 PM
8:00 PM2:00 PM
9:00 PM3:00 PM
10:00 PM4:00 PM
11:00 PM5:00 PM

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in Viana do Castelo (9:00 AM – 12:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Viana do Castelo and Chicago switch clocks on different dates:

  • Oct 19, 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 19, 2027: -6h

Distance

Viana do Castelo and Chicago are 6,285 km (3,905 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Viana do Castelo and Chicago?

Chicago is 6 hours behind Viana do Castelo.

What time is it in Chicago when it is 9 AM in Viana do Castelo?

When it is 9:00 AM in Viana do Castelo, it is 3:00 AM in Chicago.

When is the best time to call Chicago from Viana do Castelo?

Both sides are at work from 3:00 PM – 6:00 PM in Viana do Castelo (9:00 AM – 12:00 PM in Chicago).

Does the time difference between Viana do Castelo 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.