Square Root Day 2025 Celebrations. (i supposed we could also have celebrated 4/2 to have a long square root weekend.) how should a math enthusiast celebrate this holiday, which won’t come again until may 2025? Square root day is a holiday that occurs whenever the month and the day are both the square root of the last two digits of the year.

Square root day is on days when both the day of the month and the month are the square root of the last two digits of the year. A unique product of 9² and 5².