Santo Tomé to Chicago time converter

Chicago is 2 hours behind Santo Tomé. When it is 9:00 AM in Santo Tomé, it is 7:00 AM in Chicago.

Santo Tomé ART

Wednesday, October 21, 2026

Chicago CDT

Wednesday, October 21, 2026

Santo Tomé
Argentina
Wed, Oct 21
ARTUTC-3
Chicago
Illinois, United States
Wed, Oct 21
CDTUTC-5-2h
Finding your time zone…
Shared working hours (9:00–18:00)

Santo Tomé to Chicago conversion table

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

Santo ToméChicago
12:00 AM10:00 PM−1 day
1:00 AM11:00 PM−1 day
2:00 AM12:00 AM
3:00 AM1:00 AM
4:00 AM2:00 AM
5:00 AM3:00 AM
6:00 AM4:00 AM
7:00 AM5:00 AM
8:00 AM6:00 AM
9:00 AM7:00 AM
10:00 AM8:00 AM
11:00 AM9:00 AM
12:00 PM10:00 AM
1:00 PM11:00 AM
2:00 PM12:00 PM
3:00 PM1:00 PM
4:00 PM2:00 PM
5:00 PM3:00 PM
6:00 PM4:00 PM
7:00 PM5:00 PM
8:00 PM6:00 PM
9:00 PM7:00 PM
10:00 PM8:00 PM
11:00 PM9:00 PM

Best time to call or meet

Both sides are at work from 11:00 AM – 6:00 PM in Santo Tomé (9:00 AM – 4:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: -2h
  • Nov 1, 2026 – Mar 14, 2027: -3h
  • Mar 14, 2027 – Oct 21, 2027: -2h

Distance

Santo Tomé and Chicago are 8,474 km (5,265 miles) apart in a straight line.

More conversions

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

Chicago is 2 hours behind Santo Tomé.

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

When it is 9:00 AM in Santo Tomé, it is 7:00 AM in Chicago.

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

Both sides are at work from 11:00 AM – 6:00 PM in Santo Tomé (9:00 AM – 4:00 PM in Chicago).

Does the time difference between Santo Tomé 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.