Boston to Chicago
Chicago is 1 hour behind of Boston.
Boston
United States
Day
Difference
Chicago
United States
Day
Best window to call: 10:00 - 17:00 Boston time, both sides are inside 09:00-17:00.
Hour-by-hour conversion
Every hour of the day in Boston with its equivalent in Chicago. Green rows fall inside business hours for both.
About the Boston-Chicago gap
Boston sits in the America/New_York time zone (EDT), while Chicago uses America/Chicago (CDT). That puts Chicago 1 hour behind of Boston right now.
For scheduling, the practical overlap runs from 10:00 to 17:00 in Boston. Booking inside that band means neither party is dialling in before breakfast or after dinner.
Related comparisons
- Chicago to Boston
- Boston to Cardiff
- Boston to London
- Boston to New York
- Boston to Los Angeles
- Boston to São Paulo
See also current time in Boston and current time in Chicago.
Boston and Chicago, questions
- What is the time difference between Boston and Chicago?
- Chicago is 1 hour behind of Boston. Boston is currently on EDT and Chicago on CDT.
- What is the best time to call Chicago from Boston?
- Between 10:00 and 17:00 Boston time, both cities are inside normal business hours of 09:00 to 17:00. Outside that window one side is either not yet at work or has already left.
- Is the difference between Boston and Chicago always the same?
- The gap is mostly stable, but if both cities observe daylight saving they may not switch on the same date, there are usually a few weeks each spring and autumn when the difference shifts by an hour.