Space Birthday

Do you know how many Mars years old you are?


My Times Tables Board Game is now on sale! Get your kids playing times tables games by ordering your copy now!

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 113 Venus years old on the 25th January, 2021.
 Robin Williams turns 37 Mars years old on the 21st February, 2021.
 Robin Williams turns 289 Mercury years old on the 26th February, 2021.
 Robin Williams turns 69 Earth years old on the 21st July, 2021.
 Robin Williams turns 6 Jupiter years old on the 15th September, 2022.
 Robin Williams turns 1 Uranus year old on the 16th November, 2035.
 Robin Williams turns 3 Saturn years old on the 4th December, 2039.
 Robin Williams turns 1 Neptune year old on the 6th May, 2116.

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