16 hours or 0.67125 earth days
The rotation of the planet Neptune is much faster than Earth's. It completes a rotational "day" in about 16 Earth hours. So in an Earth year (365.25 Earth days), Neptune completes about 544 Neptune days. In a Neptune year, there are about 89,666 Neptune days.
Neptune has a shorter day than Earth, it spins once on its axis in 16 hours and 6 minutes, compared to 24 hours for Earth.
There are about 0.6713 Earth days or about 16 hours, 6 minutes, 36 seconds in a day on Neptune. (see related link on Neptune)16.11 Earth hours
16 hours, or more precise 0.67125 earth days.
On Neptune, a day is about 16 Earth hours and 6 Earth minutes long. Neptune has a much longer day than Earth due to its slow rotation, which results in a longer day-night cycle on the planet.
16 Earth hours
A day on Neptune is 16 hours, 6 minutes and 36 seconds.
A year on Neptune is 164.79 Earth daysA day on Neptune is 16 h 6 min 36 s
Neptunes days are 16 hours, 6 minutes and 36 seconds in averate.Being a gas giant Neptune isn't solid so the closer one gets to the poles the faster the spin about 12 hrs or slower at it's equator about 18 hrs with eddies and whirlpools in between. try watching a river at its bend and drop a bit of wood as a reference----not all of the water moves at the same speed
16.11 hours.
16.5 Earth Hours.
A day on Neptune is 16 hours, 6 minutes and 36 seconds. A year on Neptune is 164.8 Earth years.