Time difference between Boston and Chicago

Chicago is 1 hour behind Boston.

United States · Eastern Standard Time

7:30 PM

Wednesday, November 11, 2026

United States · Central Standard Time

6:30 PM

Wednesday, November 11, 2026

Boston to Chicago time converter

Green rows are office hours in both places; light green rows are when both are awake.

What is the time difference between Boston and Chicago?

Chicago is 1 hour behind Boston. Boston is on UTC−5 and Chicago is on UTC−6.

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

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

When is the best time to call Chicago from Boston?

The best time to call or meet is 10:00 AM–6:00 PM in Boston (9:00 AM–5:00 PM in Chicago), when both places are in normal office hours.

Which days are working days in both Boston and Chicago?

Both Boston and Chicago usually work Monday to Friday.

Does the time difference between Boston and Chicago change?

No. Neither Boston nor Chicago changes its clocks in a way that affects the difference, so it stays the same all year.

Boston is 1 hour ahead of Chicago. More: time in Boston · time in Chicago