What Day Is Pi Day 2025. • how many days until pi day? Pi day is an annual celebration held on march 14th (3/14) in honor of the mathematical constant π (pi), which represents the ratio of a circle’s circumference to its.
Normal faulting events of the size of the january 7, 2025 earthquake are typically about 45 km by 20 km (length x width). Pi day in 2025 is on friday, march 14 (second friday of march).