How many hours in a day does Neptune have?

Answer 1

Any people on Neptune most likely divide their day into 12 or 24 hours,

for ease of keeping appointments, doing business, and regulating their

school day, just as we do here.

However many Neptunian hours they define it to be, the period of time

is equivalent to 16hours 17minutes of Earth time.

Answer 2

Neptune has a day length of about 16 hours and 6 minutes.

Answer 3

There are 16 hours.