Pi Day 2025 Theme 2025. The beautiful constant pi (ฯ) is celebrated by mathematicians around the world on national pi day on march 14. World intellectual property day 2025 highlights how creativity and innovation, backed by ip rights, keep a thriving music scene that benefits everyone, everywhere.
March 2025 brings endless possibilities for your special day, from celestial wonders to cultural celebrations. Pi day 2025 will take place march 15th at the main campus of fox valley tech in appleton wisconsin.