What time is it in Crystal Lake, Illinois?

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

Crystal Lake sits at 42.23°N, 88.33°W. For sunrise and sunset there — which do depend on exactly where it is, unlike the clock — see sunrise and sunset in Crystal Lake.

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

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

Today runs 12 hours 1 minute in Crystal Lake, and the day is getting shorter by 3 minutes a day. Across the year it swings 6 hours 11 minutes, from 15 hours 16 minutes at the June solstice down to 9 hours 5 minutes in December.

At 42.2°N that puts Crystal Lake between Kailua at 2 hours 22 minutes and Fairbanks at 18 hours 9 minutes.