Pi Day 2026 in United States is observed on Saturday, 14 March 2026.
Pi Day is a public holiday in United States. This page collects the date for each year, plus other holidays in the country's calendar.
Pi Day is officially observed as a public holiday in United States. We are building out a longer history & traditions section for this holiday. In the meantime, the calendar below shows Pi Day's date across multiple years and how it interacts with the country's long-weekend opportunities.
Pi Day observance varies by community and region within United States. Government offices, banks, and schools are typically closed.
Pi Day 2026 in United States is observed on Saturday, 14 March 2026.
No. Pi Day is marked in United States as a widely observed day, but it is not an official public holiday — workplaces and schools stay open.
The countdown above shows the exact days, hours and minutes remaining. The year-by-year list below has Pi Day's date in the surrounding years.