Friday the 13th is seen as unlucky due to ancient beliefs. In Norse mythology, Loki was the 13th guest at a feast that ended in chaos. Over time, the date became linked with misfortune.

From elevator buttons skipping 13 to tattoo and doughnut deals, this superstitious day has a complicated history.

There is only one Friday the 13th in 2025 and it's coming this week. Here's what to know about the bad luck day and why it's a good day to get tattoos.