About 4 hours and 10 minutes. It depends on the distance from the sun which varies since Neptunes orbit is not completely circular.
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Neptune takes about 165 Earth years to orbit the Sun and about 16 hours to rotate on its axis.
Neptune's year, or the time it takes to orbit around the sun, is a little under 165 of our Earth years.
It takes about 164 years, nine and a half months for Neptune to orbit the Sun.
It takes Neptune 165 years to take a full rotatation around the sun.
It takes Neptune around 165 years to complete one orbit around the sun.
it takes neptune 164.79 years to orbit the sun.
Neptune's orbit takes 125 years to get around the sun.
it takes Neptune 164.79 years to revolve around the sun. There are two rotations for a planet, that of its own rotation, and that of its rotation round the sun. Equivalent to our Day and Year.
Neptune takes 164.79 Earth years to orbit the sun once.
It takes 164.79 earth years.
Neptune takes about 165 Earth years.