Santo António dos Olivais to Chicago time converter

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

Santo António dos Olivais WEST

Wednesday, October 21, 2026

Chicago CDT

Wednesday, October 21, 2026

Santo António dos Olivais
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 dos Olivais to Chicago conversion table

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

Santo António dos OlivaisChicago
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 dos Olivais (9:00 AM – 12:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Santo António dos Olivais 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 dos Olivais and Chicago are 6,396 km (3,974 miles) apart in a straight line.

More conversions

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

Chicago is 6 hours behind Santo António dos Olivais.

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

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

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

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

Does the time difference between Santo António dos Olivais 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.