Celebrating Square Root Day 2025: A Mathematical Phenomenon! Square Root Day is a unique and unofficial holiday that math enthusiasts around the world celebrate. It occurs when both the day of the month and the month are the square root of the last two digits of the year. The next Square Root Day will be on May 5, 2025 (5/5/25), a date that aligns perfectly to form a mathematical pun¹². #SquareRoot #SquareRootDay