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Planets - Calculate Day Length

Calculator for the length of a day on the Moon, on Earth and on the other planets, in hours and compared to each other. The solar day length is the duration between two noons on any place of a planet or moon. It is not identical with the rotation period, because the planets orbit the Sun and the Moon also orbits Earth. 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:



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: one hundred days on Earth are like 97 days on Mars, or a bit more than half a day on Mercury.


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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