Happy Leap Day! Fun fact: there's a Leap Day every year that is divisible by 4 UNLESS the year is also divisible by 100 EXCEPT when the year is also divisible by 400.

SideshoViD @sideshovid· Feb 29, 2020

Happy Leap Day! Fun fact: there’s a Leap Day every year that is divisible by 4 UNLESS the year is also divisible by 100 EXCEPT when the year is also divisible by 400.