Chicago to São Martinho time converter

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

Chicago CDT

Tuesday, October 20, 2026

São Martinho WEST

Tuesday, October 20, 2026

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

Chicago to São Martinho conversion table

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

ChicagoSão Martinho
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 São Martinho).

Daylight saving time and the difference

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

  • Oct 20, 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 20, 2027: +6h

Distance

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

More conversions

São Martinho 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 São MartinhoLondon to São MartinhoLos Angeles to São MartinhoToronto to São MartinhoSão Paulo to São MartinhoParis to São MartinhoBerlin to São MartinhoMoscow to São MartinhoDubai to São MartinhoNew Delhi to São MartinhoBangkok to São MartinhoSingapore to São Martinho

Questions and answers

What is the time difference between Chicago and São Martinho?

São Martinho is 6 hours ahead of Chicago.

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

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

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

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

Does the time difference between Chicago and São Martinho change?

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