Chicago to Brockville time converter

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

Chicago CDT

Monday, October 19, 2026

Brockville EDT

Monday, October 19, 2026

Chicago
Illinois, United States
Mon, Oct 19
CDTUTC-5
Brockville
Ontario, Canada
Mon, Oct 19
EDTUTC-4+1h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Brockville conversion table

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

ChicagoBrockville
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 Brockville).

Daylight saving time and the difference

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

  • Oct 19, 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 19, 2027: +1h

Distance

Chicago and Brockville are 1,015 km (631 miles) apart in a straight line.

More conversions

Brockville 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 BrockvilleLondon to BrockvilleLos Angeles to BrockvilleToronto to BrockvilleSão Paulo to BrockvilleParis to BrockvilleBerlin to BrockvilleMoscow to BrockvilleDubai to BrockvilleNew Delhi to BrockvilleBangkok to BrockvilleSingapore to Brockville

Questions and answers

What is the time difference between Chicago and Brockville?

Brockville is 1 hour ahead of Chicago.

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

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

When is the best time to call Brockville from Chicago?

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

Does the time difference between Chicago and Brockville change?

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