A calendar year is 365 days; intercalary
years (leap years) are 366 days long. A general definition would be 365.25 days. You can get much more accurate estimates. What you use depends on how you need to use the information.
0.75 of a year equals nine months.,
366 equals Days in a Leap Year
light year
20.83
A tree gets a new ring every year, so I suppose a tree ring equals one year.
0.75 of a year equals nine months.,
365 days = 1 year
366 equals Days in a Leap Year
.. No it doesn't. And it just equals the current year, since how old you are equals the amount of years from your birth year to now.
A light-year is about 9,461,000,000,000 km.
A light-year is about 9,461,000,000,000 km.
One complete revolution of a planet around the sun equals one year.
light year
20.83
A year on Mercury is 88 earth-days.
A tree gets a new ring every year, so I suppose a tree ring equals one year.
7 years