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  2. On Mercury a day lasts 1,408 hours, and on Venus it lasts 5,832 hours. On Earth and Mars it’s very similar. Earth takes 24 hours to complete one spin, and Mars takes 25 hours.

  3. How long is a day on Mars? - Royal Museums Greenwich

    www.rmg.co.uk/stories/topics/how-long-day-on-mars

    Mars is a planet with a very similar daily cycle to the Earth. Its sidereal day is 24 hours, 37 minutes and 22 seconds, and its solar day 24 hours, 39 minutes and 35 seconds. A Martian day (referred to as “sol”) is therefore approximately 40 minutes longer than a day on Earth.

  4. The Day and Year Length of Every Planet in Our Solar System - ...

    www.mentalfloss.com/posts/solar-system-planets-days-year-length

    How long is a day on Mars? What about a year on Venus? The answers will probably mess with your sense of time.

  5. Mars Facts - Science@NASA

    science.nasa.gov/mars/facts

    As Mars orbits the Sun, it completes one rotation every 24.6 hours, which is very similar to one day on Earth (23.9 hours). Martian days are called sols – short for "solar day." A year on Mars lasts 669.6 sols, which is the same as 687 Earth days.

  6. Timekeeping on Mars - Wikipedia

    en.wikipedia.org/wiki/Timekeeping_on_Mars

    The average length of a Martian sidereal day is 24 h 37 m 22.663 s (88,642.663 seconds based on SI units), and the length of its solar day is 24 h 39 m 35.244 s (88,775.244 seconds). [3] .

  7. On Mars, a solar day lasts 24 hours, 39 minutes, and 35 seconds. Rounding that out, we say that a day here on Earth works out to an even 24 hours while on Mars, a day lasts 24 hours...

  8. How Long Is a Day on Each Planet? - ThoughtCo

    www.thoughtco.com/day-length-other-planets-4165689

    At 24 hours and 37 minutes, the Mars day length is very similar to Earth's, which is one of the reasons that Mars is often thought of as something of a twin to Earth. Because Mars is farther than Earth from the Sun, however, its year is longer than Earth's at 687 Earth days.

  9. How long is a day on Mars? - Cool Cosmos

    coolcosmos.ipac.caltech.edu/ask/74-How-long-is-a-day-on-Mars-

    How long is a day on Mars? A planet's day is the time it takes the planet to rotate or spin once on its axis. Mars rotates at almost the same speed as the Earth so a day on Mars is about as long as a day on Earth. A day on Mars is 24.62 hours long while a day on Earth is 23.934 hours long.

  10. In Depth | Mars - NASA Solar System Exploration

    solarsystem.nasa.gov/planets/mars/in-depth.amp

    As Mars orbits the Sun, it completes one rotation every 24.6 hours, which is very similar to one day on Earth (23.9 hours). Martian days are called sols – short for "solar day." A year on Mars lasts 669.6 sols, which is the same as 687 Earth days.

  11. One day on Mars lasts 24.6 hours. It is just a little longer than a day on Earth. One year on Mars is 687 Earth days. It is almost twice as long as one year on Earth. Mars has two moons. Their names are Phobos and Deimos. Mars is the fourth planet from the Sun. That means Earth and Jupiter are Mars’ neighboring planets.