Illinois time zone
Central Time
Used across the whole state.
Cities in Illinois
Questions
What time zone is Illinois in?
All of Illinois is on Central Time (UTC−6, or UTC−5 in summer).
Does Illinois have two time zones?
No. Illinois is entirely on Central Time.
Does Illinois observe daylight saving time?
Illinois observes daylight saving time. Next change: Sunday, November 1, 2026, clocks go back one hour.
What time is it in Illinois right now?
The live clock at the top of this page shows the current time in Illinois.