Sunday, 14 March 1971
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 1971?
- Pi Day 1971 is on Sunday, 14 March 1971.
- What day of the week is Pi Day 1971?
- It falls on Sunday.
- How is Pi Day calculated?
- This event is observed every year on 14 March.