Pieology Pi Day 2024 Calendar. Since “pie” and “pi” are pronounced the same way, pi day is used as an excuse to eat pies of all varieties, including pizza. Celebrate pi day with discounts on pizza and pies from various restaurants and brands.
Read on for the growing list of. Celebrate pi day on march 14 with discounts on pizza, ice cream, dessert pies and more from various restaurants and brands.