What time is it in South Plainfield, New Jersey?

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

South Plainfield sits at 40.57°N, 74.41°W. For sunrise and sunset there — which do depend on exactly where it is, unlike the clock — see sunrise and sunset in South Plainfield.

The clock says the same thing everywhere in Eastern Daylight Time, but the sun does not. Over South Plainfield it is highest at 12:49 pm today — 49 minutes after clock noon.

At 74.4°W, South Plainfield 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 South Plainfield, and the day is getting shorter by 3 minutes a day. Across the year it swings 5 hours 49 minutes, from 15 hours 5 minutes at the June solstice down to 9 hours 16 minutes in December.

At 40.6°N that puts South Plainfield between Kailua at 2 hours 22 minutes and Fairbanks at 18 hours 9 minutes.