How long is a year on Jupiter?
One year on Jupiter is 11.862 Earth years, or 4,332.59 Earth days.
One day on Jupiter ("Jovian day") is just under 10 hours long. There are 10,475.8 Jovian days in a Jovian year.
Note: A year is the time it takes a planet or other object to orbit the Sun. More distant objects orbit more slowly, so they have a longer year.
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