Pi Day 2005

Monday, 14 March 2005

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 2005?
Pi Day 2005 is on Monday, 14 March 2005.
What day of the week is Pi Day 2005?
It falls on Monday.
How is Pi Day calculated?
This event is observed every year on 14 March.