Pi Day deals are live: Californians can snag $3.14 pizza and pie today. Here’s where to find them
Updated March 14, 2026, 8:59 a.m. PT Pi Day — March 14, or 3.14 — is here, and for Californians, the math-themed holiday comes with extra local flavor. The celebration was born in California in 1988 at San Francisco’s Exploratorium, and today it’s marked …