Pi Day 2024 Celebrations 2024. Pi day is observed on march 14 (3/14 in the month/day format) since 3, 1, and 4 are the first three significant figures of ฯ. Pi has been calculated to over 50 trillion digits beyond its decimal point.
Math enthusiasts around the world, from college kids to rocket scientists,. House of representatives in 2009, pi day celebrates.