HomeImportant DaysPi Day 2024: Date, History, Significance

Pi Day 2024: Date, History, Significance

Pi is a symbol in Mathematics, Statistics, and Physics. Every year, Pi Day is observed on March 14 to commemorate the constant value of Pi and how it simplifies calculations for us. Pi is the ratio of the circumference of the circle to the diameter. The value of PI is 3.14.


Every year, Pi Day is celebrated on March 14. This year, the day will take place on Thursday.

Pi Day 2024: History, Purpose

  • In 1988, Physicist Larry Shaw first recognized Pi Day.
  • United States House of Representatives designated March 14 as Pi Day in the year 2009.
  • Later, UNESCO marked Pi Day as the ‘International Day of Mathematics’ during its general conference in 2019.
  • Mathematician and physicist, Albert Einstein is known for the “General Theory Of Relativity” which was born on Pi Day in 1879.
  • The mathematician named Archimedes of Syracuse first calculated the value of Pi. later, the scientific community accepted the value when Leonhard Euler used the symbol of Pi in 1737.
  • March 14 is also celebrated as the ‘Super Pi day’ when the first 10 digits of Pi were achieved at 9:26:53 am in 2015 forming the exact moment along with the date as (3/14/15/92653).


2024March 14Thursday
2025March 14Friday
2026March 14Saturday
2027March 14Sunday
2028March 14Tuesday

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