When the year is divisible by 4 It is leap year.as mentioned below it occurs once in every four year.
23:20, 30 April 2012
every 4 years (on Earth).
04:06, 20 March 2012
On average, a leap year occurs every 4 years (exactly each 4.124 years).
21:54, 5 December 2011
Mondegreen is a word or phrase resulting from a ...
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Ernie Torres, a former armed forces officer, combined his ...
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