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Mercury: 58.64 days

Venus: -243.02 days

Earth: 1 day

Mars: 1.03 days

Jupiter: 0.41 days

Saturn: 0.43 days

Uranus: -0.72 days

Neptune: 0.67 days

Negative means the planet spins in the direction opposite of Earth

Earth has a rotational period of one day by definition

Note that because the gas giants have no surface, different parts rotate and different speeds. The listed speed is the average.

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15y ago

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