Massachusetts to Chicago time converter

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

Massachusetts EDT

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Massachusetts
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)

Massachusetts to Chicago conversion table

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

MassachusettsChicago
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 Massachusetts (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Massachusetts 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

More conversions

Chicago to MassachusettsMassachusetts to New YorkMassachusetts to LondonMassachusetts to Los AngelesMassachusetts to TorontoMassachusetts to São PauloMassachusetts to ParisMassachusetts to BerlinMassachusetts to MoscowMassachusetts to DubaiMassachusetts to New DelhiMassachusetts to BangkokMassachusetts 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 Massachusetts and Chicago?

Chicago is 1 hour behind Massachusetts.

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

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

When is the best time to call Chicago from Massachusetts?

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

Does the time difference between Massachusetts 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.