What time is it in Oswego, Illinois?

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

Oswego sits at 41.68°N, 88.34°W. For sunrise and sunset there — which do depend on exactly where it is, unlike the clock — see sunrise and sunset in Oswego.

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

At 88.3°W, Oswego sits comfortably inside its zone. Daylight saving adds another hour on top until the clocks change.

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

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