All over the world, today, Friday and 13, has been identified with dark myths, superstitions, and misfortune. What is happening with this strange day and where are its roots? The relative phobia is called in English Paraskavedekatriaphobia, from the Greek words “Friday”, “thirteen” and “phobia”. The Greeks and Hispanic peoples have a gruesome day on Tuesdays and 13.
Friday the 13th is a day that has been linked to the worst urban legends and superstition, especially in the Anglo-Saxon, Spanish-speaking and German. It is a typical example of this bias that in these countries even today many buildings do not have the 13th floor, and many roads do not have the number 13.
The most prevalent view is that the myth comes from the Last Supper, where there were 12 disciples and Christ. Counting as the First of Jesus, 13th would be Judas. Friday the 13th are considered ominous perhaps because such a day was crucified by Christ.
But for Muslims it is Gruso because Adam and Eve ate the forbidden fruit on Friday. Many believe that the myth was born with the Pope’s decision to issue a decree on the capture and killing of Knights Templar. The decree was issued in concert with King Philip of France on Friday, October 13, 1307.
In the sphere of myths of Friday and 13 there are also the following: NASA’s “Apollo 13” destined for the moon was launched on 13th, and after the serious problems presented, the mission was interrupted on 13 April. Friday was also the regular execution of prisoners in ancient Rome. When the name of a person has 13 letters, it is believed to have the devil’s fate (Jack the Ripper, Charles Manson, etc.).
In Computer Science there is a virus called Friday the 13th, which was created in Israel in 1988. It is activated when the computer logbook shows Friday the 13th, and this slows down its operation.