Pi day is an irrational holiday that was invented by Big US Date Format.
@mattblaze unfortunately there's no third of Duodecember (3/14)

@mxchara @mattblaze there's a 22nd of July though (22/7)

https://wok.oblomov.eu/mathesis/pi-day/

Pi Day

Why March 14 (Einstein's birthday) is the wrong day to celebrate π, the mathematical constant

wok