Pi Day 2025 Date

Pi Day 2025 Date. A freshly decorated key lime pie rests on a counter in a busy bakery kitchen at michele’s pies, wednesday, march 13, 2025, in norwalk, conn. If you couldn't already tell by the number this mathematical symbol represents, pi day is on thursday, march 14, 2025.

Thursday marks national pi day in the united states and around the world. As of september 2025, the project.