Chicago to Port Colborne time converter

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

Chicago CDT

Monday, October 19, 2026

Port Colborne EDT

Monday, October 19, 2026

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

Chicago to Port Colborne conversion table

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

ChicagoPort Colborne
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 Port Colborne).

Daylight saving time and the difference

The difference changes during the year because Chicago and Port Colborne 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 Port Colborne are 701 km (436 miles) apart in a straight line.

More conversions

Port Colborne 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 Port ColborneLondon to Port ColborneLos Angeles to Port ColborneToronto to Port ColborneSão Paulo to Port ColborneParis to Port ColborneBerlin to Port ColborneMoscow to Port ColborneDubai to Port ColborneNew Delhi to Port ColborneBangkok to Port ColborneSingapore to Port Colborne

Questions and answers

What is the time difference between Chicago and Port Colborne?

Port Colborne is 1 hour ahead of Chicago.

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

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

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

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

Does the time difference between Chicago and Port Colborne change?

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