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Your Age on another Planet

The planets in the Solar System spin and orbit at different speeds, so their days and years are all different lengths. The following tool allows you to calculate what your age would be on another planet.

Mercury Venus Mars Jupiter Saturn Uranus Neptune
Type your date of birth in below, and then click on a planet

Your Date of Birth: (as Day/Month/Year)

/ /

You are:
Earth days old and Earth years old

This makes you:
Planet days old and Planet years old


Do you want to know how to work this out for yourself? Click here.