Time in Chicago today
Chicago follows Central Time and changes between CST and CDT. It sits one hour behind New York and two hours ahead of Los Angeles for most of the year.
The United States uses six primary time zones across the states, plus additional time zones in its territories.
Next clock change in Chicago
A change is expected after November 1, 2026.
Countdown calculated when the page loads.
Business hours and local week
Typical office hours run Monday to Friday, 9:00 AM to 5:00 PM. Midday Chicago time provides broad coverage across the continental United States.
Best time to call Chicago
Chicago mornings are most suitable for Europe. For India and East Asia, early morning or evening meetings are usually necessary.
Compare Chicago with up to three participant locations.
Common questions
What time zone is Chicago in?
Chicago uses Central Time. The IANA identifier used for this clock is America/Chicago.
What is the UTC offset for Chicago?
The current reference offset on this page is UTC-05:00. It updates automatically when regional clock rules change.
Does Chicago observe daylight saving time?
Chicago uses seasonal clock changes under current rules. Check the next-change section for the date-aware result.
What is the best time to call Chicago?
Chicago mornings are most suitable for Europe. For India and East Asia, early morning or evening meetings are usually necessary.
How accurate is this Chicago clock?
The live clock uses your device time and the browser's implementation of the America/Chicago IANA time-zone rules. It updates every second.