One earth day is 24 hours, how many hours is a day on each planet?

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  • 1 decade ago
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    Mercury: 58.65 Earth days

    Venus: 243 Earth days (spins backwards compared to most other planets)

    Mars: 24 hours 37 minutes

    Jupiter: 0.41 Earth day (9.8 Earth hours)

    Saturn: 0.44 (10.2 Earth hours)

    Uranus: 0.72 or 17.9 Earth hours (spins backwards compared to most other planets)

    Neptune: 0.67 (19.1 Earth hours)

    Pluto: 6.39 (spins backwards compared to most other planets)

  • 1 decade ago

    It depends on how far the planet is away from the sun, the also how fast it roates round it.

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