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A morbid, irrational fear of Friday the 13th.

Friday is Frigga's Day. Frigga (Frigg) was an ancient Scandinavian fertility and love goddess, equivalent to the Roman Venus who had been worshipped on the sixth day of the week. Christians called Frigga a witch and Friday the witches' Sabbath; modern Wiccans are happy to oblige.

See also superstition, paraskevidekatriaphobia, and triskaidekaphobia.

reader comments

further reading

books and articles

Dossey, Donald E. Holiday Folklore, Phobias and Fun: Mythical Origins, Scientific Treatments and Superstitious 'Cures' (Outcome Unlimited Press, 1992).

Radford, Edwin. Encyclopedia of Superstitions (Marlboro Books, 2000).

Wiseman, Richard. The Luck Factor: Change Your Luck - And Change Your Life (Century 2003).

Wiseman, Richard. "The Luck Factor." Skeptical Inquirer, May/June 2003.


Snopes.com on Friday the 13th

Last updated 13-Nov-2015

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