Days Until Pi Day
About Pi Day
March 14th is one of 365 days on the calendar — and like every date, it has its own mix of facts, observances, and history. Pi Day is celebrated on 3/14 because π ≈ 3.14159, with the date format matching the first three digits of pi. The countdown below shows how many days remain until the next March 14th, with notes on what the date is known for, the traditions associated with it, and notable events that have happened on this day.
📚 Interesting Facts
Pi Day is celebrated on 3/14 because π ≈ 3.14159, with the date format matching the first three digits of pi
March 14th is also Albert Einstein's birthday - he was born on March 14, 1879, making this date doubly significant for science
The first Pi Day celebration was organized by physicist Larry Shaw at the San Francisco Exploratorium in 1988
At exactly 1:59:26 PM on Pi Day, the date and time match the first 9 digits of pi (3.14159265)
Pi is an irrational number, meaning it has infinite decimal places with no repeating pattern, and has been calculated to over 62 trillion digits
🎊 Traditions & Celebrations
Eating pie (especially at 1:59 PM for maximum accuracy!)
Reciting as many digits of pi as possible from memory
Holding pi-recitation competitions and math challenges
Celebrating with circular foods like pizza and cookies
Learning about mathematics and the significance of pi
📜 Historical Events on This Day
Albert Einstein, one of the most influential physicists of all time, was born in Ulm, Germany
The Mikado, a comic opera by Gilbert and Sullivan, premiered in London
The Gold Standard Act was ratified, placing the United States currency on the gold standard
Jack Ruby was convicted of murdering Lee Harvey Oswald, the assassin of President John F. Kennedy
First Pi Day celebration organized by physicist Larry Shaw at the San Francisco Exploratorium
Astronaut Norman Thagard became the first American to travel to space aboard a Russian launch vehicle
The US House of Representatives passed a resolution officially recognizing March 14 as National Pi Day
'Super Pi Day' (3/14/15 at 9:26:53) matched the first 10 digits of pi, an event that won't repeat for 100 years
Renowned physicist Stephen Hawking died on Pi Day at age 76 in Cambridge, England
Cyclone Idai made landfall in Mozambique, becoming one of the worst tropical cyclones on record to affect Africa
Why Count Down to Pi Day?
Whether you're planning ahead, celebrating a tradition, or marking a personal milestone, tracking the countdown to Pi Day helps you prepare and build anticipation. Use CountDay.org to:
- Never miss important dates and plan accordingly
- Build excitement as the day approaches
- Share the countdown with friends and family
- Set reminders and prepare for celebrations
- Track multiple countdowns in one convenient place