![Loading Events](https://spls.lib.ok.us/wp-content/plugins/the-events-calendar/src/resources/images/tribe-loading.gif)
- This event has passed.
Pi Day or Pie Day ?
March 14, 2021
![](https://spls.lib.ok.us/wp-content/uploads/2021/03/piday-1.jpg)
Hey is Pi Day celeberated more than one time a year?
Here are the more PI Day dates:
- March 4: The day marks the passing of 14% of the 3rd month of the year.
- April 5: By this day, 3.14 months of the year have passed.
- November 10: The 314th day of the year (November 9 in leap years).
For more fun facts go to Pi Day – Fun Holiday