Pennsylvania to Chicago time converter

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

Pennsylvania EDT

Monday, October 19, 2026

Chicago CDT

Monday, October 19, 2026

Pennsylvania
United States
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)

Pennsylvania to Chicago conversion table

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

PennsylvaniaChicago
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 Pennsylvania (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Pennsylvania 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

More conversions

Chicago to PennsylvaniaPennsylvania to New YorkPennsylvania to LondonPennsylvania to Los AngelesPennsylvania to TorontoPennsylvania to São PauloPennsylvania to ParisPennsylvania to BerlinPennsylvania to MoscowPennsylvania to DubaiPennsylvania to New DelhiPennsylvania to BangkokPennsylvania 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 Pennsylvania and Chicago?

Chicago is 1 hour behind Pennsylvania.

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

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

When is the best time to call Chicago from Pennsylvania?

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

Does the time difference between Pennsylvania 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.