Greater Sudbury to Chicago time converter

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

Greater Sudbury EDT

Wednesday, October 21, 2026

Chicago CDT

Tuesday, October 20, 2026

Greater Sudbury
Ontario, Canada
Wed, Oct 21
EDTUTC-4
Chicago
Illinois, United States
Tue, Oct 20
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Greater Sudbury to Chicago conversion table

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

Greater SudburyChicago
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 Greater Sudbury (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Greater Sudbury 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

Greater Sudbury and Chicago are 740 km (460 miles) apart in a straight line.

More conversions

Chicago to Greater SudburyGreater Sudbury to New YorkGreater Sudbury to LondonGreater Sudbury to Los AngelesGreater Sudbury to TorontoGreater Sudbury to São PauloGreater Sudbury to ParisGreater Sudbury to BerlinGreater Sudbury to MoscowGreater Sudbury to DubaiGreater Sudbury to New DelhiGreater Sudbury to BangkokGreater Sudbury 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 Greater Sudbury and Chicago?

Chicago is 1 hour behind Greater Sudbury.

What time is it in Chicago when it is 9 AM in Greater Sudbury?

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

When is the best time to call Chicago from Greater Sudbury?

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

Does the time difference between Greater Sudbury 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.