Chicago to Viana do Castelo time converter

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

Chicago CDT

Monday, October 19, 2026

Viana do Castelo WEST

Tuesday, October 20, 2026

Chicago
Illinois, United States
Mon, Oct 19
CDTUTC-5
Viana do Castelo
Portugal
Tue, Oct 20
WESTUTC+1+6h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Viana do Castelo conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 19, 2026 – Oct 24, 2026: +6h
  • Oct 24, 2026 – Nov 1, 2026: +5h
  • Nov 1, 2026 – Mar 14, 2027: +6h
  • Mar 14, 2027 – Mar 27, 2027: +5h
  • Mar 27, 2027 – Oct 19, 2027: +6h

Distance

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

More conversions

Viana do Castelo to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to Viana do CasteloLondon to Viana do CasteloLos Angeles to Viana do CasteloToronto to Viana do CasteloSão Paulo to Viana do CasteloParis to Viana do CasteloBerlin to Viana do CasteloMoscow to Viana do CasteloDubai to Viana do CasteloNew Delhi to Viana do CasteloBangkok to Viana do CasteloSingapore to Viana do Castelo

Questions and answers

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

Viana do Castelo is 6 hours ahead of Chicago.

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

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

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

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

Does the time difference between Chicago and Viana do Castelo change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.