When Is National Pi Day 2024 Uk. If you couldn't already tell by the number this. Pi day is observed globally on march 14 (3/14) of each year.

Mar10 day, held on 10th march each year is a celebration of the whole super mario franchise. “join the global celebration of national pi day 2024 on march 14th, a day dedicated to the marvels of the mathematical constant π (pi).