Illinois, United States

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Alaska Time UTC-8

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Pacific Time UTC-7

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Mountain Time UTC-6

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Central Time UTC-5

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Eastern Time UTC-4

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Frequently Asked Questions

What timezone is Illinois in?

Illinois is in the America/Chicago timezone.

Does Illinois observe daylight saving time?

Yes, Illinois observes daylight saving time. Clocks are adjusted forward in spring and back in fall.

How many time zones does United States have?

United States spans 11 time zones: America/Anchorage, America/Boise, America/Chicago, America/Denver, America/Detroit, America/Indiana/Indianapolis, America/Kentucky/Louisville, America/Los_Angeles, America/New_York, America/Phoenix, Pacific/Honolulu.

What are the major cities in Illinois?

The major cities in Illinois are listed in the cities section above, with live clocks showing the current local time in each city.