| Planet Name | How long is one year? |
Mercury |
88 days |
Venus |
224.7 days |
Earth |
365.3 days |
Mars |
687 days |
Jupiter |
12 Earth years |
Saturn |
29.5 Earth years |
Uranus |
84 Earth years |
Neptune |
165 Earth years |
Pluto |
248 Earth years |
 One Year is the amount of
time it takes for a planet to complete circle around the
Sun one time. One year is 365 days long. So if you know how many years it takes for a
planet to circle the Sun, you can easily figure out how many days it takes. Simply multiply the number
of years by 365 ! |