Portland to Chicago time converter

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

Portland EDT

Wednesday, October 21, 2026

Chicago CDT

Wednesday, October 21, 2026

Maine, United States
Wed, Oct 21
EDTUTC-4
Illinois, United States
Wed, Oct 21
CDTUTC-5-1h
Finding your time zone…

11:48 AM in Portland, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

Portland to Chicago conversion table

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

PortlandChicago
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 Portland (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Portland 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

Portland and Chicago are 1,431 km (889 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Portland and Chicago?

Chicago is 1 hour behind Portland.

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

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

When is the best time to call Chicago from Portland?

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

Does the time difference between Portland 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.