Pi Day 1941

Friday, 14 March 1941

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 1941?
Pi Day 1941 is on Friday, 14 March 1941.
What day of the week is Pi Day 1941?
It falls on Friday.
How is Pi Day calculated?
This event is observed every year on 14 March.