East Boston to Chicago time converter

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

East Boston EDT

Tuesday, October 20, 2026

Chicago CDT

Tuesday, October 20, 2026

East Boston
Massachusetts, United States
Tue, Oct 20
EDTUTC-4
Chicago
Illinois, United States
Tue, Oct 20
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

East Boston to Chicago conversion table

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

East BostonChicago
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 East Boston (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 20, 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 20, 2027: -1h

Distance

East Boston and Chicago are 1,369 km (851 miles) apart in a straight line.

More conversions

Chicago to East BostonEast Boston to New YorkEast Boston to LondonEast Boston to Los AngelesEast Boston to TorontoEast Boston to São PauloEast Boston to ParisEast Boston to BerlinEast Boston to MoscowEast Boston to DubaiEast Boston to New DelhiEast Boston to BangkokEast Boston 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 East Boston and Chicago?

Chicago is 1 hour behind East Boston.

What time is it in Chicago when it is 9 AM in East Boston?

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

When is the best time to call Chicago from East Boston?

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

Does the time difference between East Boston 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.