Let me take a one-day break from my current series of posts to wish everyone a Happy Pythagoras Day! Today is 7/24/25 (or 24/7/25 in other parts of the world), and .
Bonus points if you can figure out (without Googling) when the next Pythagoras Days will be. Hint: It’s going to be a while.
I'm a Professor of Mathematics and a University Distinguished Teaching Professor at the University of North Texas. For eight years, I was co-director of Teach North Texas, UNT's program for preparing secondary teachers of mathematics and science.
View all posts by John Quintanilla
Bonus points if you can figure out (without Googling) when the next Pythagoras Days will be. Hint: It’s going to be a while.
Mean Green Math 