Pi Day 2024. The unknown value of pi is being trapped in a numerical vise, squeezed between two numbers that look almost identical, except the first has a denominator of 71. San francisco (march 4, 2024) — the exploratorium’s homegrown holiday, pi day, celebrates its 37th rendition on thursday, march 14, 2024 with a doubleheader honoring.

Today we’re proud to be. National pi day is a day created to celebrate the number π or “pi” (3.1459…).