It's that day of the leap year...

It's that day of the leap year,
Birthday on which do the school kids fear,

No idea why we have such a calendar,
So what if it was a year that is regular,

It's that day of the leap year,
Which you can keep aside for an extra beer,

An extra day it adds for you to earn your salary,
So does it add a day to everyone's diary,

It's that day of the leap year,
Between 2 seasons, it is neither foggy nor clear!