A day is the period it takes an object to rotate once on it's axis.
The length of a day is primarily controlled by the rotation of the Earth on its axis. The Earth takes approximately 24 hours to complete one full rotation, which determines the length of a day. Variations in the Earth's rotation speed can result in minor changes in the length of a day.
687 day
a complete rotation of earth on its axis takes about 24 hours, this is the length of a day.
243 Earth days is the rotation period of Venus. That's its "sidereal day" length. The other main definition of a "day" is called a "solar day". For Venus that's only about 117 Earth days in length.
The length of a day is based on the average period of time required for one rotation of the earth on its axis.Read more: The_length_of_a_day_is_based_on
The day.
by the rotation of the planet
The length of a planet's day is directly related to its rate of rotation on its axis. A faster rate of rotation results in a shorter day, while a slower rate of rotation leads to a longer day. This relationship is determined by the planet's mass and distribution of mass.
Jupiter's fast rotation speed is the reason behind its short day length of about 10 hours. Its rapid rotation causes the planet to complete one full rotation on its axis in this relatively short amount of time.
Jupiter's length of day, as in its rotation period, is about 9.9 hours. This rapid rotation causes Jupiter to have an oblate shape, flattened at the poles and bulging at the equator.
Length of the day, Direction of sunrise, and change from light and day.
One full rotation of any planet on its axis is the length of that planets day, Earth included.