Saint Charles to Chicago time converter

Chicago is 1 hour behind Saint Charles. When it is 9:00 AM in Saint Charles, it is 8:00 AM in Chicago.

Saint Charles EDT

Wednesday, October 21, 2026

Chicago CDT

Wednesday, October 21, 2026

Saint Charles
Maryland, United States
Wed, Oct 21
EDTUTC-4
Chicago
Illinois, United States
Wed, Oct 21
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Saint Charles to Chicago conversion table

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

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

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in Saint Charles (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Saint Charles and Chicago switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Nov 1, 2026: ±0
  • Nov 1, 2026 – Mar 14, 2027: -1h
  • Mar 14, 2027 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 21, 2027: -1h

Distance

Saint Charles and Chicago are 978 km (608 miles) apart in a straight line.

More conversions

Chicago to Saint CharlesSaint Charles to New YorkSaint Charles to LondonSaint Charles to Los AngelesSaint Charles to TorontoSaint Charles to São PauloSaint Charles to ParisSaint Charles to BerlinSaint Charles to MoscowSaint Charles to DubaiSaint Charles to New DelhiSaint Charles to BangkokSaint Charles 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 Saint Charles and Chicago?

Chicago is 1 hour behind Saint Charles.

What time is it in Chicago when it is 9 AM in Saint Charles?

When it is 9:00 AM in Saint Charles, it is 8:00 AM in Chicago.

When is the best time to call Chicago from Saint Charles?

Both sides are at work from 10:00 AM – 6:00 PM in Saint Charles (9:00 AM – 5:00 PM in Chicago).

Does the time difference between Saint Charles 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.