Allentown to Chicago time converter

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

Allentown EDT

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Allentown
Pennsylvania, United States
Sun, Oct 18
EDTUTC-4
Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Allentown to Chicago conversion table

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

AllentownChicago
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 Allentown (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Allentown and Chicago switch clocks on different dates:

  • Oct 18, 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 18, 2027: -1h

Distance

Allentown and Chicago are 1,025 km (637 miles) apart in a straight line.

More conversions

Chicago to AllentownAllentown to New YorkAllentown to LondonAllentown to Los AngelesAllentown to TorontoAllentown to São PauloAllentown to ParisAllentown to BerlinAllentown to MoscowAllentown to DubaiAllentown to New DelhiAllentown to BangkokAllentown 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 Allentown and Chicago?

Chicago is 1 hour behind Allentown.

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

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

When is the best time to call Chicago from Allentown?

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

Does the time difference between Allentown 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.