What time is it in Naperville, Illinois?

Naperville is currently on daylight saving time. The next change is Sunday, November 1, 2026, when 2:00 am becomes 1:00 am local time.

Naperville sits at 41.75°N, 88.16°W. For sunrise and sunset there — which do depend on exactly where it is, unlike the clock — see sunrise and sunset in Naperville.

The clock says the same thing everywhere in Central Daylight Time, but the sun does not. Over Naperville it is highest at 12:44 pm today — 44 minutes after clock noon.

At 88.2°W, Naperville sits comfortably inside its zone. Daylight saving adds another hour on top until the clocks change.

Today runs 12 hours 1 minute in Naperville, and the day is getting shorter by 3 minutes a day. Across the year it swings 6 hours 4 minutes, from 15 hours 13 minutes at the June solstice down to 9 hours 8 minutes in December.

At 41.7°N that puts Naperville between Kailua at 2 hours 22 minutes and Fairbanks at 18 hours 9 minutes.