Time in Illinois
The current local time in Illinois, its time zone, and a converter to your own time.
Illinois runs on Central Time, anchored by Chicago, the largest US city in the Central zone.
Illinois uses UTC-6 in winter (standard time) and shifts to UTC-5 in summer when daylight saving time is active.
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FAQ
What time is it in Illinois right now?
The live clock at the top of this page shows the current local time in Illinois, refreshed every second. Illinois is on UTC-6 in winter and UTC-5 in summer, and the clock is calculated directly from that official time zone so it always accounts for daylight saving time automatically.
What time zone is Illinois in?
Illinois uses UTC-6 in winter (standard time) and shifts to UTC-5 in summer when daylight saving time is active. The "compare to your time zone" section above converts any Illinois time into your own local time instantly.
Does Illinois observe daylight saving time?
Yes. Illinois moves its clocks forward by one hour in summer (to UTC-5) and back in winter (to UTC-6). This page recomputes the offset live, so the clock and conversions above are always correct for the current date without you needing to remember the switch dates.
How do I convert Illinois time to my time zone?
The converter above detects your device's time zone and shows, hour by hour, what a given Illinois time is where you are. For planning a call across several cities at once, open the World Clock meeting planner, which lays out a colour-coded 24-hour grid.
Learn how time zones work
UTC & GMT explained · Daylight saving explained · How to convert a time between two cities