Pi Day 2024 Celebration

Pi Day 2024 Celebration. While pi day was only officially instated as a national holiday in 2009, the mathematical symbol, pi, has been around for 4,000 years. Find out the theme, activities, events, resources and challenges for 2025.

In celebration of the mathematical constant pi, jpl is releasing the annual nasa pi day challenge: A freshly decorated key lime pie rests on a counter in a busy bakery kitchen at michele’s pies, wednesday, march 13, 2024, in norwalk, conn.