Chicago to Saint Charles time converter

Saint Charles is 1 hour ahead of Chicago. When it is 9:00 AM in Chicago, it is 10:00 AM in Saint Charles.

Chicago CDT

Wednesday, October 21, 2026

Saint Charles EDT

Wednesday, October 21, 2026

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

Chicago to Saint Charles conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Chicago and Saint Charles 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

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

More conversions

Saint Charles 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 Saint CharlesLondon to Saint CharlesLos Angeles to Saint CharlesToronto to Saint CharlesSão Paulo to Saint CharlesParis to Saint CharlesBerlin to Saint CharlesMoscow to Saint CharlesDubai to Saint CharlesNew Delhi to Saint CharlesBangkok to Saint CharlesSingapore to Saint Charles

Questions and answers

What is the time difference between Chicago and Saint Charles?

Saint Charles is 1 hour ahead of Chicago.

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

When it is 9:00 AM in Chicago, it is 10:00 AM in Saint Charles.

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

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

Does the time difference between Chicago and Saint Charles change?

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