September 15 Pi Birthday

What is my Pi Day for September 15, or more specifically, what is my Pi Birthday if I am born on September 15th?

First, note that Pi starts with 3.14 followed by an endless number of digits. This means that any combination of numbers will eventually show up in Pi if you search long enough. Furthermore, September 15th is the same as 9/15 which is the same as 915.

Here at Calendar Maniacs we believe that the location of the first digit of your birthday in Pi is your Pi Day or Pi Birthday. Thus, we searched Pi until we found 915 and here is the result:

Digit #1315: 9
Digit #1316: 1
Digit #1317: 5

The result above shows you the first location of September 15th in Pi. As you can see, 9/15 starts at digit number 1315 and ends at digit number 1317.

Since the digit number 1315 in Pi is the first digit of September 15, the Pi Birthday for people with a birthday of September 15 is 1315.

Bonus: Since you are interested in where your birthday is in Pi, you may also be happy to know that we ranked all birthdays based on how soon they appear in Pi. September 15 was the 225th birthday we found in Pi.

Anyway, if your birthday is September 15 and that is today, then happy 1315 Pi Birthday!

My Birthday in Pi
We can find any birthday in Pi! Let us find another birthday for you!

September 16 Pi Birthday
Here is the next birthday on our list that we found in Pi.