Pi Day History

In 1988, Physicist Larry Shaw first recognised Pi Day.

Pi Day celebrates the the mathematical constant, Pi. The day is also celebrated as the birthday of Albert Einstein.

Pi Day 2021: It will be observed to celebrate the mathematical constant (Pi). The approximate value of Pi is 3.14. It is marked on March 14 which if written in the format of month/day (3/14), will include first three significant digits of the value of Pi.

In 1988, Physicist Larry Shaw first recognised Pi Day.

Pi Day celebrates the the mathematical constant, Pi. The day is also celebrated as the birthday of Albert Einstein.

Pi Day 2021: It will be observed to celebrate the mathematical constant (Pi). The approximate value of Pi is 3.14. It is marked on March 14 which if written in the format of month/day (3/14), will include first three significant digits of the value of Pi.