Frederick to Chicago time converter

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

Frederick EDT

Saturday, October 17, 2026

Chicago CDT

Friday, October 16, 2026

Frederick
Maryland, United States
Sat, Oct 17
EDTUTC-4
Chicago
Illinois, United States
Fri, Oct 16
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Frederick to Chicago conversion table

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

FrederickChicago
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 Frederick (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 17, 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 17, 2027: -1h

Distance

Frederick and Chicago are 905 km (562 miles) apart in a straight line.

More conversions

Chicago to FrederickFrederick to New YorkFrederick to LondonFrederick to Los AngelesFrederick to TorontoFrederick to São PauloFrederick to ParisFrederick to BerlinFrederick to MoscowFrederick to DubaiFrederick to New DelhiFrederick to BangkokFrederick 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 Frederick and Chicago?

Chicago is 1 hour behind Frederick.

What time is it in Chicago when it is 9 AM in Frederick?

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

When is the best time to call Chicago from Frederick?

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

Does the time difference between Frederick 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.