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
J. R. R. Tolkien turns 216 Venus years old on the 21st November, 2024. 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 
Arthur C. Clarke turns 444 Mercury years old on the 22nd November, 2024. Arthur C. Clarke was a science fiction author who dreamed of the time humanity would escape from planet earth and explore the galaxy. Links: Amazon, Wikipedia, Other Space Birthdays For Arthur C. Clarke 
Robin Williams turns 39 Mars years old on the 26th November, 2024. 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 Space Birthdays For Robin Williams William Shatner turns 389 Mercury years old on the 28th November, 2024. William Shatner is most famous for his role as Captain James T. Kirk, from Star Trek. Links: Amazon, Wikipedia, Other Space Birthdays For William Shatner Terry Pratchett turns 318 Mercury years old on the 29th November, 2024. Terry Pratchett is a British fantasy author, known and loved for his incredible Discworld series. Links: Amazon, Wikipedia, Official Website, Other Space Birthdays For Terry Pratchett Albert Einstein turns 605 Mercury years old on the 29th November, 2024. Einstein's theory of relativity helped explain some oddities of the orbit of Mercury, which had been puzzling astronomers since the days of Newton. Links: Amazon, Wikipedia, Other Space Birthdays For Albert Einstein Galileo Galilei turns 749 Venus years old on the 30th November, 2024. Galileo brought astronomy many leaps forward with his discoveries, including the discovery of the moons of Jupiter. Links: Amazon, Wikipedia, Other Space Birthdays For Galileo Galilei Leonard Nimoy turns 389 Mercury years old on the 2nd December, 2024. Leonard Nimoy is most famous for his role as the Vulcan Spock in Star Trek. Links: Amazon, Wikipedia, Star Trek on Amazon, Other Space Birthdays For Leonard Nimoy 
Buzz Aldrin turns 8 Jupiter years old on the 5th December, 2024. 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 Galileo Galilei turns 245 Mars years old on the 7th December, 2024. Galileo brought astronomy many leaps forward with his discoveries, including the discovery of the moons of Jupiter. Links: Amazon, Wikipedia, Other Space Birthdays For Galileo Galilei