Encyclopedia of Mythical Creatures:
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Vendredi (Friday in Folklore)

Creature Types: Other

Mythological/Cultural Origins: Christian, European

Roles/Functions in Lore: Sabbath Day, Unlucky Day

Literary Sources/Traditions: Christian Tradition, European Folklore

Historical/Legendary Time Periods: Middle Ages–Modern

Attributes/Powers: Ritual Association, Superstition

Alignments/Moral Standings: Ambiguous

Friday holds varied significance in European folklore. Associated with witches’ sabbaths and regarded as an unlucky day by superstition, Friday also marks Christian religious events such as the crucifixion. Notable figures such as Francis I, Henry IV, and Pope Sixtus V considered Friday fortunate. Popular belief in the United States has considered Friday unlucky, leading to efforts to dispel the superstition. Regional customs include the belief that shirts made on Fridays attract lice.