São Martinho to Chicago time converter

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

São Martinho WEST

Tuesday, October 20, 2026

Chicago CDT

Tuesday, October 20, 2026

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

São Martinho to Chicago conversion table

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

São MartinhoChicago
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 São Martinho (9:00 AM – 12:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because São Martinho and Chicago switch clocks on different dates:

  • Oct 20, 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 20, 2027: -6h

Distance

São Martinho and Chicago are 6,166 km (3,831 miles) apart in a straight line.

More conversions

Chicago to São MartinhoSão Martinho to New YorkSão Martinho to LondonSão Martinho to Los AngelesSão Martinho to TorontoSão Martinho to São PauloSão Martinho to ParisSão Martinho to BerlinSão Martinho to MoscowSão Martinho to DubaiSão Martinho to New DelhiSão Martinho to BangkokSão Martinho 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 São Martinho and Chicago?

Chicago is 6 hours behind São Martinho.

What time is it in Chicago when it is 9 AM in São Martinho?

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

When is the best time to call Chicago from São Martinho?

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

Does the time difference between São Martinho 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.