Friday The 13th
In short
A day considered unlucky in Western superstition when the 13th of the month falls on a Friday.
In plain words
Many people believe bad things happen on this specific day. It occurs whenever a month begins on a Sunday. This happens at least once every year.
A simple example
A person might avoid travelling by plane or making big business deals on this day to prevent bad luck.
Why it matters
It influences cultural habits, such as people avoiding certain activities or feeling extra nervous. It is also a popular theme in horror films and folklore.
Easy to mix up
Do not confuse this with Tuesday the 13th, which carries different superstitious meanings in some cultures.