Origin of day names SundaySunday is the first day of the week. From prehistoric times to the close of the fifth century of the Christian era, the worship of the sun was dominant. The name comes from the Latin dies solis, meaning "sun's day": the name of a pagan Roman holiday. It is also called Dominica (Latin), the Day of God. Sunday celebrates the sun god, Ra, Helios, Apollo, Ogmios, Mithrias, the sun goddess, Phoebe.
MondayMonday is the second day of the week, day of moon goddess, Selene, Luna and Mani. Derived from Lunae Dies, day of the moon, the name reflects the ancient observance of feast days dedicated to moon goddess or planet.
TuesdayTuesday is the third day of the week. In the Roman calendar the corresponding day was dies Martis, the day of Mars, associated with Ares. Tiw's day is derived from Tyr or Tir, the god of honorable war, the wrestler and the son of Odin and, or Woden, the Norse god of war and Frigga, the earth mother. His emblem is the sword, and in olden days the people paid him great homage. Tuesday was named in his honor.
WednesdayWednesday, the fourth day of the week, corresponds to the Roman Dies Mercurii. The name derives from the Scandinavian Woden (Odin), chief god of Norse mythology, who was often called the All Father.
ThursdayThursday is the fifth day of the week. It derives its name from the Middle English Thoresday, or Thursdaye, corresponding to the Roman dies Jovis.
Thor, the god of strength and thunder, defender and help in war, son of Odin, is the counterpart of Jupiter or Jove. Thursday was sacred to Thor.
FridayFriday is the sixth day of the week. The name is derived from the Germanic Frigga the name of the Norse god Odin's wife. Frigga is considered to be the mother of all, and the goddess who presides over marriage. The name means loving or beloved.
The corresponding Latin name is Dies Veneris, a day dedicated to Venus, the goddess of love.
SaturdaySaturday is the seventh day of the week, corresponding to the Roman dies Saturni, or day of Saturn, the Roman god of agriculture.