For those that forgot to celebrate

chinooker, nice try. But since were talking about circles I think that’s disqualified, even if tasty. :wink:

Edit: Or were we talking about squares? I don’t seem to remember…

uhhh a pasty is just a circle folded

(π*r²)/2 = yumm

Odd, I always celebrated March 14th! But now that you mention it, July 22nd (22/7 for many outside the USA) makes perfect sense

There’s always Tau Day, June 28th (6.28, 2×π).