South Portland to Chicago time converter

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

South Portland EDT

Wednesday, October 21, 2026

Chicago CDT

Wednesday, October 21, 2026

South Portland
Maine, United States
Wed, Oct 21
EDTUTC-4
Chicago
Illinois, United States
Wed, Oct 21
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

South Portland to Chicago conversion table

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

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

Daylight saving time and the difference

The difference changes during the year because South 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

South Portland and Chicago are 1,433 km (890 miles) apart in a straight line.

More conversions

Chicago to South PortlandSouth Portland to New YorkSouth Portland to LondonSouth Portland to Los AngelesSouth Portland to TorontoSouth Portland to São PauloSouth Portland to ParisSouth Portland to BerlinSouth Portland to MoscowSouth Portland to DubaiSouth Portland to New DelhiSouth Portland to BangkokSouth Portland 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 South Portland and Chicago?

Chicago is 1 hour behind South Portland.

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

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

When is the best time to call Chicago from South Portland?

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

Does the time difference between South 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.