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A comment on A positive leap second will be introduced at the end of June 2015. Parent comment

Re:A positive leap second will be introduced at the end of J... by friendzis on Tuesday January 06, 2015 @01:19PM (#8846019)
There are also whole leap days once every four years
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Re:A positive leap second will be introduced at the end of J... by RIMR on Tuesday January 06, 2015 @02:00PM (#8846245)
Not quite that simple:

    if (year is not divisible by 4) then (it is a common year)
    else
    if (year is not divisible by 100) then (it is a leap year)
    else
    if (year is not divisible by 400) then (it is a common year)
    else (it is a leap year)
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