Local time · Naperville
What time is it in Naperville, Illinois?
3:49:02AM
- Time zone
- CST
- America/Chicago
- UTC offset
- −6:00
- Standard is −6:00
- Daylight saving
- Not in force
- Starts Sun, Mar 14
- Population
- 153,124
- City proper
Around the world
About this clock
Daylight saving in Naperville
Naperville is currently on standard time. The next change is Sunday, March 14, 2027, when 2:00 am becomes 3:00 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.
Clock time against sun time
The clock says the same thing everywhere in Central Standard Time, but the sun does not. Over Naperville it is highest at 11:36 am today — 24 minutes before clock noon.
At 88.2°W, Naperville sits almost exactly on Central Standard Time’s 90° meridian, so on standard time the clock and the sun agree to within a few minutes.
Daylight in Naperville today
- Sunrise
- 6:39 am
- Sunset
- 4:33 pm
- Day length
- 9 hours 54 minutes
- Longest day
- 15 hours 13 minutes
Today runs 9 hours 54 minutes in Naperville, and the day is getting shorter by 2 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.