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!

René Descartes' Birthdays

Descartes' work on mathematics was a great inspiration to Isaac Newton. Descartes made the famous quote "I think, therefore I am" (Cogito Ergo Sum). Links: Amazon, Wikipedia, Other Celebrity Space Birthdays

 René Descartes turns 697 Venus years old on the 17th January, 2025.
 René Descartes turns 228 Mars years old on the 30th January, 2025.
 René Descartes turns 1781 Mercury years old on the 15th March, 2025.
 René Descartes turns 429 Earth years old on the 31st March, 2025.
 René Descartes turns 37 Jupiter years old on the 17th January, 2035.
 René Descartes turns 15 Saturn years old on the 10th February, 2038.
 René Descartes turns 3 Neptune years old on the 18th August, 2090.
 René Descartes turns 6 Uranus years old on the 13th March, 2102.