Men really are from Mars! On Mars, I’m only 20! Check Your Age On Other Worlds
- Fill in your birthdate below in the space indicated. (Note you must enter the year as a 4-digit number!)
- Click on the “Calculate” button.
- Notice that your age on other worlds will automatically fill in. Notice that Your age is different on the different worlds. Notice that your age in “days” varies wildly.
- Notice when your next birthday on each world will be. The date given is an “earth date”.
- You can click on the images of the planets to get more information about them from Bill Arnett’s incredible Nine Planets web site.