Port Colborne to Chicago time converter

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

Port Colborne EDT

Monday, October 19, 2026

Chicago CDT

Monday, October 19, 2026

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

Port Colborne to Chicago conversion table

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

Port ColborneChicago
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 Port Colborne (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Port Colborne and Chicago 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

Port Colborne and Chicago are 701 km (436 miles) apart in a straight line.

More conversions

Chicago to Port ColbornePort Colborne to New YorkPort Colborne to LondonPort Colborne to Los AngelesPort Colborne to TorontoPort Colborne to São PauloPort Colborne to ParisPort Colborne to BerlinPort Colborne to MoscowPort Colborne to DubaiPort Colborne to New DelhiPort Colborne to BangkokPort Colborne 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 Port Colborne and Chicago?

Chicago is 1 hour behind Port Colborne.

What time is it in Chicago when it is 9 AM in Port Colborne?

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

When is the best time to call Chicago from Port Colborne?

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

Does the time difference between Port Colborne 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.