How many Friday the 13ths were in 2015? What is the usual number of Friday the 13ths per year? Is #1 more than #2?
Friday
Friday the 13th is known as an unlucky Friday because of the number 13. A year can have as many as three Friday the 13ths. One Friday the 13th is the average per year. There were 3 Friday the 13ths in 2015.
day of the week
Does 2015 have more unlucky Friday's than usual?