Chicago to Somerville time converter

Somerville is 1 hour ahead of Chicago. When it is 9:00 AM in Chicago, it is 10:00 AM in Somerville.

Chicago CDT

Saturday, October 17, 2026

Somerville EDT

Saturday, October 17, 2026

Illinois, United States
Sat, Oct 17
CDTUTC-5
Massachusetts, United States
Sat, Oct 17
EDTUTC-4+1h
Finding your time zone…

4:56 AM in Chicago, Saturday, October 17, 2026

Shared working hours (9:00–18:00)

Chicago to Somerville conversion table

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

ChicagoSomerville
12:00 AM1:00 AM
1:00 AM2:00 AM
2:00 AM3:00 AM
3:00 AM4:00 AM
4:00 AM5:00 AM
5:00 AM6:00 AM
6:00 AM7:00 AM
7:00 AM8:00 AM
8:00 AM9:00 AM
9:00 AM10:00 AM
10:00 AM11:00 AM
11:00 AM12:00 PM
12:00 PM1:00 PM
1:00 PM2:00 PM
2:00 PM3:00 PM
3:00 PM4:00 PM
4:00 PM5:00 PM
5:00 PM6:00 PM
6:00 PM7:00 PM
7:00 PM8:00 PM
8:00 PM9:00 PM
9:00 PM10:00 PM
10:00 PM11:00 PM
11:00 PM12:00 AM+1 day

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Chicago and Somerville 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

Chicago and Somerville are 1,364 km (848 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Chicago and Somerville?

Somerville is 1 hour ahead of Chicago.

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

When it is 9:00 AM in Chicago, it is 10:00 AM in Somerville.

When is the best time to call Somerville from Chicago?

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

Does the time difference between Chicago and Somerville change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.