By Michael Hartley
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:
Celebrity Birthdays
Buzz Aldrin turns 397 Mercury years old on the 2nd September, 2025. Buzz Aldrin was the second person to set foot on the moon. He also flew on one of the Gemini missions.. Links: Amazon, Wikipedia, Official Website, Other Space Birthdays For Buzz Aldrin 
Alan Turing turns 184 Venus years old on the 3rd September, 2025. Alan Turing is famous for his efforts in WW2 to crack the Nazi "Enigma" code, and for his writings on Artificial Intelligence.. Links: Amazon, Wikipedia, Other Space Birthdays For Alan Turing Alan Turing turns 470 Mercury years old on the 3rd September, 2025. Alan Turing is famous for his efforts in WW2 to crack the Nazi "Enigma" code, and for his writings on Artificial Intelligence.. Links: Amazon, Wikipedia, Other Space Birthdays For Alan Turing J. R. R. Tolkien turns 555 Mercury years old on the 5th September, 2025. J. R. R. Tolkien was a linguist, who wrote the Hobbit for his children. It became so popular he wrote a sequel, Lord Of The Rings, and other novels.. Links: Amazon, Wikipedia, Other Space Birthdays For J. R. R. Tolkien René Descartes turns 1783 Mercury years old on the 7th September, 2025. 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 Space Birthdays For René Descartes George Takei turns 367 Mercury years old on the 10th September, 2025. George Takei played helmsman Lieutenant Sulu in the original Star Trek series. Links: Amazon, Wikipedia, Facebook, Other Space Birthdays For George Takei Isaac Newton turns 1589 Mercury years old on the 11th September, 2025. Isaac Newton, amongst many other discoveries, developed a theory of gravity that helped explain how the planets move in their orbits. Links: Wikipedia, Other Space Birthdays For Isaac Newton 
George Takei turns 47 Mars years old on the 13th September, 2025. George Takei played helmsman Lieutenant Sulu in the original Star Trek series. Links: Amazon, Wikipedia, Facebook, Other Space Birthdays For George Takei J. K. Rowling turns 32 Mars years old on the 7th October, 2025. J. K. Rowling became famous for her Harry Potter series of books, after being rejected by eight different publishers. Links: Amazon, Wikipedia, Official Website, Other Space Birthdays For J. K. Rowling 
Isaac Newton turns 13 Saturn years old on the 22nd October, 2025. Isaac Newton, amongst many other discoveries, developed a theory of gravity that helped explain how the planets move in their orbits. Links: Wikipedia, Other Space Birthdays For Isaac Newton