A

leap yearis a year that has`366`

days. The month of February, which typically has`28 days`

, has`29`

days during leap years.NASA.gov:: APOD:2004 February 29 - Julius Caesar and Leap Days

"In modern terms, the time it takes for the Earth to circle the Sun is slightly more than the time it takes for the Earth to rotate 365 times (with respect to the Sun -- actually we now know this takes about 365.24219 rotations)."

`365.24219`

written as a mixed number is...24,219 365 ------- 100,0002004 was a leap year.

February 2004 Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 292005 was not a leap year (i.e. it was a

commonyear).February 2005 Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28Prior to 1753, a year was a leap year if it was evenly divisible by four. After 1752, a year was/is a

leap yearif it is evenly divisible by four and not by`100`

, or it is evenly divisible by`400`

.February 1752 Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 1752 was a leap year because 4 evenly divides into 1752 September 1752 Su Mo Tu We Th Fr Sa 1 2 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30In the Gregorian calendar,

`303`

of every`400 years`

are common years.

- Was year 2000 a leap year?
- Was year 1900 a leap year?
- Will year 2008 be a leap year?
- Will year 2010 be a leap year?
- Will year 2038 be a leap year?
- Will year 2100 be a leap year?
- Will year 10,000 be a leap year?

**Creator:** Gerald D. Thurman
[gthurman@gmail.com]

**Created:** 24 February 2005

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Creative Commons License.