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Country Flag - the United States Thirteen horizontal stripes of red and white with a blue rectangle in the top left corner containing 50 white stars.

Naperville

Illinois, United States

16 Dec 2025

Frequently Asked Questions

What is the current time in Naperville?

The current time in Naperville, Illinois is based on Central Time (CT), which switches between Central Standard Time (CST, UTC-6:00) during standard time and Central Daylight Time (CDT, UTC-5:00) during daylight saving time.

Does Naperville observe Daylight Saving Time?

Yes, Naperville observes Daylight Saving Time. The city switches between Central Standard Time (CST) in the fall and winter months and Central Daylight Time (CDT) in the spring and summer months.

What is the time difference between Naperville and major world cities?

New York (EST/EDT): Naperville is 1 hour behind Eastern Standard Time (EST, UTC-5:00) and 1 hour behind during Eastern Daylight Time (EDT, UTC-4:00).

Los Angeles (PST/PDT): Naperville is 2 hours ahead of Pacific Standard Time (PST, UTC-8:00) during CST and 2 hours ahead during Pacific Daylight Time (PDT, UTC-7:00) when observing CDT.

London (GMT/BST): Naperville is 6 hours behind Greenwich Mean Time (GMT, UTC+0:00) during CST and 5 hours behind during CDT, or 6 hours behind during British Summer Time (BST, UTC+1:00) when observing CST and 5 hours behind when observing CDT.

Tokyo (JST): Naperville is 15 hours behind Japan Standard Time (JST, UTC+9:00) during CST and 14 hours behind during CDT.

Where is Naperville located?

Naperville is a city located in DuPage and Will counties, Illinois, approximately 28 miles west of Chicago. It is one of the largest cities in Illinois and is part of the Chicago metropolitan area.