Summit to Chicago time converter

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

Summit EDT

Saturday, October 17, 2026

Chicago CDT

Saturday, October 17, 2026

Summit
New Jersey, United States
Sat, Oct 17
EDTUTC-4
Chicago
Illinois, United States
Sat, Oct 17
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Summit to Chicago conversion table

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

SummitChicago
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 Summit (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 17, 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 17, 2027: -1h

Distance

Summit and Chicago are 1,116 km (693 miles) apart in a straight line.

More conversions

Chicago to SummitSummit to New YorkSummit to LondonSummit to Los AngelesSummit to TorontoSummit to São PauloSummit to ParisSummit to BerlinSummit to MoscowSummit to DubaiSummit to New DelhiSummit to BangkokSummit 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 Summit and Chicago?

Chicago is 1 hour behind Summit.

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

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

When is the best time to call Chicago from Summit?

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

Does the time difference between Summit 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.