Santo António to Chicago time converter

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

Santo António WEST

Wednesday, October 21, 2026

Chicago CDT

Wednesday, October 21, 2026

Santo António
Portugal
Wed, Oct 21
WESTUTC+1
Chicago
Illinois, United States
Wed, Oct 21
CDTUTC-5-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Santo António to Chicago conversion table

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

Santo AntónioChicago
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 Santo António (9:00 AM – 12:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Santo António and Chicago switch clocks on different dates:

  • Oct 21, 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 21, 2027: -6h

Distance

Santo António and Chicago are 6,165 km (3,831 miles) apart in a straight line.

More conversions

Chicago to Santo AntónioSanto António to New YorkSanto António to LondonSanto António to Los AngelesSanto António to TorontoSanto António to São PauloSanto António to ParisSanto António to BerlinSanto António to MoscowSanto António to DubaiSanto António to New DelhiSanto António to BangkokSanto António 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 Santo António and Chicago?

Chicago is 6 hours behind Santo António.

What time is it in Chicago when it is 9 AM in Santo António?

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

When is the best time to call Chicago from Santo António?

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

Does the time difference between Santo António 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.