Viola Jessamyn

Pi Approximation Day 2024 Schedule. Calendar for the whole year, calendar for any month, lunar calendar, printable calendar. Pi approximation day is celebrated on july 22 every year.

Pi day, celebrated on march 14th (3/14), pays homage to the mathematical constant π (pi), which represents the ratio of a circle’s circumference to its diameter. There is an interesting fact why pi approximation day is celebrated on this date.