What time is it in Waterloo, Iowa?

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

Waterloo sits at 42.49°N, 92.35°W. For sunrise and sunset there — which do depend on exactly where it is, unlike the clock — see sunrise and sunset in Waterloo.

The clock says the same thing everywhere in Central Daylight Time, but the sun does not. Over Waterloo it is highest at 1:01 pm today — 61 minutes after clock noon.

At 92.4°W, Waterloo sits well toward the western edge of its zone, which is why the sun stays up later here than the clock suggests. Daylight saving adds another hour on top until the clocks change.

Today runs 12 hours 1 minute in Waterloo, and the day is getting shorter by 3 minutes a day. Across the year it swings 6 hours 15 minutes, from 15 hours 18 minutes at the June solstice down to 9 hours 3 minutes in December.

At 42.5°N that puts Waterloo between Kailua at 2 hours 22 minutes and Fairbanks at 18 hours 9 minutes.