Tuesday, 14 March 1961
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 1961?
- Pi Day 1961 is on Tuesday, 14 March 1961.
- What day of the week is Pi Day 1961?
- It falls on Tuesday.
- How is Pi Day calculated?
- This event is observed every year on 14 March.