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
superstition, paraskevidekatriaphobia, and
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).
Richard. "The Luck Factor." Skeptical Inquirer, May/June 2003.
Friday the 13th