Friday the 13th has been viewed as an unlucky day for centuries. Even though there are only ideas about why it is considered so unlucky, many have given into this superstition.

Here are five facts that you may not have known about this dreaded day.

  • 1

    Friggatriskaidekaphobia

    People do actually have a phobia of Friday the 13th. It's official name is friggatriskaidekaphobia.

    This condition often causes believers to stay bed-ridden for the day because they are too afraid to partake in daily tasks.

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  • 2

    Biblical References

    Although there is no direct association with Friday the 13th, many Christians believe it was the death of Jesus that may have caused this belief.

    It is believed Jesus was crucified on a Friday, which makes that day of the week "cursed." It is also thought that the 13th guest to attend the Last Supper was the one who betrayed Jesus.

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  • 3

    No 13th Street

    In San Francisco, there is no 13th Avenue in between 12th and 14th.

    The street is instead called Funston Avenue.

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  • 4

    No 13th Floor

    The United States is not the only country that believes in this superstition.

    Many skyscrapers in India do not have a 13th floor because they strongly believe in the power of Friday the 13th. One of the most well known hotels in the world, Trident Hotel at Nariman Point, does not have a 13th floor.

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  • 5

    Can Occur 3 Times a Year

    Lucky for those who have friggatriskaidekaphobia, today will be the only Friday of the year to fall on the 13th of a month.

    According to the Gregorian Calendar, Friday the 13th will occur at least once a year. However, it has the possibility to occur up to three times in a year.

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