When is pi day ?

pi day is next on Monday, March 14, 2022


Always know when is pi day. Figure out how many days till pi day. Dates available for the next 10 years...
pi day

© bigstockphoto.com / Labib Retoman

Pi Day is an annual celebration of the mathematical constant π. Pi Day is observed on March 14 due to the fact that 3, 1, and 4 are the first three significant digits of π. Hence 3 = March, 1 and 4 = 14. Pi day has been celebrated in the USA since 2009. Pi has been calculated to over 50 trillion digits beyond its decimal point. As an irrational and transcendental number, π continue infinitely without repetition or pattern. Celebrate #PiDay and see how many decimal places you can memorize.

How many days until pi day?

If you want to know how many more days, then here is your countdown to pi day

Upcoming dates for pi day


When is pi day 2021?Sunday, March 14, 2021
When is pi day 2022?Monday, March 14, 2022
When is pi day 2023?Tuesday, March 14, 2023
When is pi day 2024?Thursday, March 14, 2024
When is pi day 2025?Friday, March 14, 2025
When is pi day 2026?Saturday, March 14, 2026
When is pi day 2027?Sunday, March 14, 2027
When is pi day 2028?Tuesday, March 14, 2028
When is pi day 2029?Wednesday, March 14, 2029
When is pi day 2030?Thursday, March 14, 2030
When is pi day 2031?Friday, March 14, 2031