What time is it in Vacaville, California?

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

Vacaville sits at 38.36°N, 121.97°W. For sunrise and sunset there — which do depend on exactly where it is, unlike the clock — see sunrise and sunset in Vacaville.

The clock says the same thing everywhere in Pacific Daylight Time, but the sun does not. Over Vacaville it is highest at 12:59 pm today — 59 minutes after clock noon.

At 122.0°W, Vacaville 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 2 minutes in Vacaville, and the day is getting shorter by 2 minutes a day. Across the year it swings 5 hours 21 minutes, from 14 hours 50 minutes at the June solstice down to 9 hours 29 minutes in December.

At 38.4°N that puts Vacaville between Kailua at 2 hours 22 minutes and Fairbanks at 18 hours 9 minutes.