Pi Day 1959

Saturday, 14 March 1959

Pi Day is celebrated on 14 March in honour of the mathematical constant pi (3.14), with educational activities, mathematics events, and playful traditions such as eating pie.

Frequently asked questions

When is Pi Day 1959?
Pi Day 1959 is on Saturday, 14 March 1959.
What day of the week is Pi Day 1959?
It falls on Saturday.
How is Pi Day calculated?
This event is observed every year on 14 March.