Porto to Chicago time converter

Chicago is 6 hours behind Porto. When it is 9:00 AM in Porto, it is 3:00 AM in Chicago.

Porto WEST

Friday, October 16, 2026

Chicago CDT

Friday, October 16, 2026

Porto
Portugal
Fri, Oct 16
WESTUTC+1
Chicago
Illinois, United States
Fri, Oct 16
CDTUTC-5-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Chicago conversion table

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

PortoChicago
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 Porto (9:00 AM – 12:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Porto 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

Porto and Chicago are 6,330 km (3,933 miles) apart in a straight line.

More conversions

Chicago to PortoPorto to New YorkPorto to LondonPorto to Los AngelesPorto to TorontoPorto to São PauloPorto to ParisPorto to BerlinPorto to MoscowPorto to DubaiPorto to New DelhiPorto to BangkokPorto to Singapore
New York to ChicagoLondon to ChicagoLos Angeles to ChicagoToronto to ChicagoSão Paulo to ChicagoParis to ChicagoBerlin to ChicagoMoscow to ChicagoDubai to ChicagoNew Delhi to ChicagoBangkok to ChicagoSingapore to Chicago

Questions and answers

What is the time difference between Porto and Chicago?

Chicago is 6 hours behind Porto.

What time is it in Chicago when it is 9 AM in Porto?

When it is 9:00 AM in Porto, it is 3:00 AM in Chicago.

When is the best time to call Chicago from Porto?

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

Does the time difference between Porto 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.