One of my favorite things to do in Secondary School was to go around telling people I had written a program that uses the 'Doomsday Algorithm' which sounded really cool and always scared those who didn't understand it.

Truth is, the 'Doomsday Algorithm' is just an Algorithm that used to determine the Day of the Week of a given date.

I wrote this when I was 13/14 years old and I'm still super proud of it today.... well I mean I probably would be if I could read my own code.