Enter the date of the upcoming Pi Day to see how many days are left until March 14.
Pi Day is observed every year on March 14 because the date (3/14) matches the first digits of π (3.14).
Choose the Pi Day date above to see your countdown.
How This Pi Day Countdown Works
This countdown calculates how many days are left until Pi Day. It uses your device’s local date and time for accuracy.
Pi Day Countdown FAQ
What date should I enter?
Enter March 14 of the upcoming year.
Does Pi Day fall on the same date every year?
Yes — it is always observed on March 14.
Can I change the date later?
Yes. Just pick a new date and click “Show Countdown” again.
Does this use my time zone?
Yes. The countdown is based on your device’s local date and time.