Oops. Just missed him. (Image by flavijus via Flickr)

This depends on who you think Santa is. Let’s look at our top Santa contenders from yesterday.

• St. Nicholas: Ides of March (March 15), 270.
• Father Christmas: Unknown.
• Santa Claus: This is a recursive question, and I refuse to answer it on the grounds it may break my computer (and I’ve had quite enough of that sort of thing already this year).
• Albert Einstein: March 14, 1879.
• Odin: Unknown.

So there you have it. Two unknowns, one unknowable, and two votes for the middle of March.

Now if you’ll excuse me while I make some quick calculations on my computer….

proc means p1 p25 p50 p75 p99 data=santafile;
class region;
var age_year;
weight gravitas;
run;

Looks like Santa’s birthday is most likely March 15, with a 95% confidence interval of 3.16 (year 0) – 3.14 (year +1).

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• Would Santa vacation in Texas? (Caterpickles)
• Are elves real? (Caterpickles)
• How old is Santa? (Caterpickles)