When Is Pi Day 2024 Usa. Employees work a busy bakery kitchen at michele's pies, wednesday, march 13, 2024, in norwalk, conn. As you might be able to assume from the first few digits of pi, pi day is on march 14.

Employees work a busy bakery kitchen at michele’s pies, wednesday, march 13, 2024, in norwalk, conn. Math enthusiasts and bakers celebrate pi day on.