What is a hipster? Look at this fucking hipster...

Point is that the last 2 digits is the sum of the squares of the first two. That's all there is to it - that's the definition of Square Root Date, so "00" just doesn't work. And don't try to sneak it in, I'm watching.

You'll have to do a Ron Gordon and invent your own Double O Day.

Edit - I mean multiplicand of the first two, not sum of squares. Or something. You knew that. Bloody whisky.