Chestnut Hill to Chicago time converter

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

Chestnut Hill EDT

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Massachusetts, United States
Sun, Oct 18
EDTUTC-4
Illinois, United States
Sun, Oct 18
CDTUTC-5-1h
Finding your time zone…

9:54 PM in Chestnut Hill, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

Chestnut Hill to Chicago conversion table

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

Chestnut HillChicago
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 Chestnut Hill (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Chestnut Hill 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

Chestnut Hill and Chicago are 1,359 km (844 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Chestnut Hill and Chicago?

Chicago is 1 hour behind Chestnut Hill.

What time is it in Chicago when it is 9 AM in Chestnut Hill?

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

When is the best time to call Chicago from Chestnut Hill?

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

Does the time difference between Chestnut Hill 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.