space-birthday

Space Birthday

Do you know how many Mars years old you are?

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If you were born on Mars, how old would you be today? Or how many times has Jupiter gone around the sun since you were born? What's your age in Venusian years? This page can tell you! Enter your and your friends' birthdays using the form below. The information will only be stored on this computer, not on the server, so don't worry! (PS - I also have some printable space birthday worksheets you can download if you want to do these calculations yourself.)

  • Your/your friend's name:
  • Your/your friend's birthday:
You need to enter the year correctly - your Jupiter birthday doesn't fall on the same day each year, in fact most years you don't even have one!

Robin Williams' Birthdays

Robin Williams was a well-loved comedian and film actor, who started his rise to fame as the alien Mork in Mork and Mindy. Links: Amazon, Wikipedia, Other Celebrity Space Birthdays

 Robin Williams turns 74 Earth years old on the 21st July, 2025.
 Robin Williams turns 308 Mercury years old on the 24th September, 2025.
 Robin Williams turns 121 Venus years old on the 28th December, 2025.
 Robin Williams turns 40 Mars years old on the 14th October, 2026.
 Robin Williams turns 7 Jupiter years old on the 4th August, 2034.
 Robin Williams turns 1 Uranus year old on the 27th July, 2035.
 Robin Williams turns 3 Saturn years old on the 23rd November, 2039.
 Robin Williams turns 1 Neptune year old on the 6th May, 2116.