Chicago to South Portland time converter

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

Chicago CDT

Wednesday, October 21, 2026

South Portland EDT

Wednesday, October 21, 2026

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

1:05 PM in Chicago, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

Chicago to South Portland conversion table

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

ChicagoSouth Portland
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 South Portland).

Daylight saving time and the difference

The difference changes during the year because Chicago and South Portland 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

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

More conversions

Questions and answers

What is the time difference between Chicago and South Portland?

South Portland is 1 hour ahead of Chicago.

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

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

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

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

Does the time difference between Chicago and South Portland change?

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