Friday the 13th is widely known to represent a day of bad luck.
Today is Friday the 13th–the second of three Friday the 13ths this year. The first was in January and third will happen in July. Superstition has long held Friday the 13th to be a day of bad luck. It has become so widespread that there are specific phobias associated with the day. Triskaidekaphobia is the fear of the number 13 while fear of Friday the 13th is called paraskevidekatriaphobia or friggatriskaidekaphobia. 13 Historical Friday the 13th Events Facts and Supersitions about Friday the 13th