**Pi Day – Google Logo**

Today is not only the day that spring forward with our time change, but it’s also **Pi Day – **the day math geeks apparently celebrate Pi.

**From the official Pi Day website:**

“Pi, Greek letter (), is the symbol for the ratio of the circumference of a circle to its diameter. Pi Day is celebrated by math enthusiasts around the world on March 14th. Pi = 3.1415926535…

With the use of computers, Pi has been calculated to over 1 trillion digits past the decimal. Pi is an irrational number meaning it will continue infinitely without repeating. The symbol for pi was first used in 1706 by William Jones, but was popular after it was adopted by the Swiss mathematician Leonhard Euler in 1737. Learn more about Pi.

So now make sure, after you wake up more tired than usual because of the time change, you wish someone “happy Pi day” today… I’m sure they’ll appreciate you for it!