If Friday is on 13th, it is considered inauspicious. This belief is not particularly in India , but in the Western world. Let me tell you that 13 people have a particular fear in some people.
There is no room number -13 due to this fear in many hotels in western countries while 13th floor is not kept in many high-rise buildings. That is, at the 12th time, the number is kept straight 14th.
This superstition is known by a special word of English, which is - paraskevidekatriaphobia. According to a report, fear of 13 is so much that many people do not like to travel by flight on this day. This makes the airfighter cheap on this day.
However, the root behind the inauspiciousness of 13 is very old. It is mentioned in the Bible that On the other hand, Friday also feels inauspicious Because of this 13th and Fridays turn into scary days inauspicious. Jesus was crucified on Friday. On 13th of the 13th, there is also a connection that there was a major accident in France on October 13, 1307 .
According to a British website, a study was published in a medical journal in England. In this study of 1993, it was reported that accidents have increased on the 13th of the Friday. But later the writer had said that he was just for fun.