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  2. spaceplace.nasa.gov › days › enHow Long Is One Day on Other Planets? - NASA Space Place

    Sep 17, 2024 · On Earth, a solar day is around 24 hours. However, Earth’s orbit is elliptical, meaning it’s not a perfect circle. That means some solar days on Earth are a few minutes longer than 24 hours and some are a few minutes shorter.

  3. www.mentalfloss.com › posts › solar-system-planetsThe Day and Year Length of Every Planet in Our Solar System

    A day on Neptune, meanwhile, is shorter than an Earth day by a good 8 hours—but it only completes an orbit about once every 165 Earth years. Explore the rest of the stats below.

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  5. science.nasa.gov › neptune › neptune-factsNeptune Facts - Science@NASA

    One day on Neptune takes about 16 hours (the time it takes for Neptune to rotate or spin once). And Neptune makes a complete orbit around the Sun (a year in Neptunian time) in about 165 Earth years (60,190 Earth days).

  6. solarsystem.nasa.gov › planets › neptuneIn Depth | Neptune – NASA Solar System Exploration

    One day on Neptune takes about 16 hours (the time it takes for Neptune to rotate or spin once). And Neptune makes a complete orbit around the Sun (a year in Neptunian time) in about 165 Earth years (60,190 Earth days).

  7. www.universetoday.com › 22058Neptune Compared to Earth - Universe Today

    Dec 9, 2008 · A day on Earth is 24 hours, but a day on Neptune is 16 hours and 6 minutes. A year on Earth is, um, 1 year obviously, while a year on Neptune is 164.79 years. Here’s one element that’s actually...

  8. www.skymania.com › how-long-is-a-day-on-neptuneHow Long is a Day on Neptune? Exploring the Rotation of the ...

    How does Neptune’s day length compare to Earth’s? Neptune’s day length is significantly shorter than Earth’s day length. A day on Neptune lasts only 16 hours, while a day on Earth lasts 24 hours.

  9. coolcosmos.ipac.caltech.edu › ask › 145-How-long-isHow long is a day on Neptune? - Cool Cosmos

    A planet's day is the time it takes the planet to rotate or spin once on its axis. Neptune rotates faster than Earth so a day on Neptune is shorter than a day on Earth. A day on Neptune is about 16 Earth hours while a day on Earth is 23.934 hours.