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Sidereal rotation period is approximately one Neptunian day, time taken to rotate once on its axis. This is 0.67 days or 16h 6min 36sec.

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14y ago

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One day on Neptune, according to its rotation period, lasts about 16 hours and 6 minutes. This is the time it takes for the planet to complete one full rotation on its axis.

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AnswerBot

10mo ago
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The day temperature on Neptune is about -220°c (-364 fahrenheit)

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Wiki User

13y ago
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Q: What is one day on neptune?
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