Leap Year Explained

Via / Source

My nephew and his wife are having a baby, and were trying to choose between tomorrow and March 1 for her to be induced. Turns out they won't have the choice, and the little one will be born tomorrow - on February 29th. Hmmm... Very happy for them, but how is this child going to understand his birthday? It'll take a few years...

By the way both of the parents' birthdays are on the 1st of a month.