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Planets - Calculate Rotation Period

Calculator for the duration of a rotation (sidereal day) of Sun, Moon, Earth and planets, in hours and compared to each other. This is the time, which a celestial bodies needs for a complete rotation around its own axis. The sidereal day has a different length than the solar day. Venus, Uranus and Pluto rotate clockwise, the other planets as well as Sun and Moon rotate counterclockwise. The time values are decimal, as common for astronomical values. Here they can be converted to common time formats.

Hours (h):
Days (d):

Length
Moon:
Mercury:
Venus:
Earth:
Mars:
Jupiter:
Saturn:
Uranus:
Neptune:
Pluto:
Sun:



Round to    decimal places.

Please enter one value, the other values will be calculated. Days (d) refers to the 24 hours of a day on Earth.

Example: Earth rotates in slightly less than one day, that is in 23 hours, 56 minutes and 4 seconds. Venus needs 243 days and Jupiter less than half a day.


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German: Planeten-Entfernungen, Planeten-Massen, Planeten-Durchmesser, Planeten-Umfang, Planeten-Oberfläche, Planeten-Volumen, Planeten-Dichte, Gravitation, Tageslänge, Rotation, Orbit (Jahr), Geschwindigkeit, Kreisgeschwindigkeit, Fluchtgeschwindigkeit, Temperatur