Want to melt those years away? Travel to an outer planet!
- 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.
MERCURY
Your age is
VENUS
Your age is
JUPITER

Your age is
MARS

Your age is
|
Planet
|
Rotation Period
|
Revolution Period
|
|
Mercury
|
58.6 days
|
87.97 days
|
|
Venus
|
243 days
|
224.7 days
|
|
Earth
|
0.99 days
|
365.26 days
|
|
Mars
|
1.03 days
|
1.88 years
|
|
Jupiter
|
0.41 days
|
11.86 years
|
|
Saturn
|
0.45 days
|
29.46 years
|
|
Uranus
|
0.72 days
|
84.01 years
|
|
Neptune
|
0.67 days
|
164.79 years
|
|
Pluto
|
6.39 days
|
248.59 years
|