Pi Day 2025 Celebration 2025. Pi has been calculated to over 50 trillion digits beyond its decimal point. Did you know march 14 is the anniversary of pi, honoring the greek symbol ฯ.
Next pi day friday, 14 march 2025 pi day is observed every year on march 14 to commemorate the mathematical constant of pi. Check also the date of pi day in 2026 and in the following years.