Latin days of the week are based on celestial bodies and Roman gods, typically using the structure "dies" (day) + genitive noun. They are: dies Solis (Sunday), dies Lunae (Monday), dies Martis(Tuesday), dies Mercurii (Wednesday), dies Iovis (Thursday), dies Veneris (Friday), and dies Saturni(Saturday).
Days of the Week in Latin
- Sunday: dies Solis (Day of the Sun)
- Monday: dies Lunae (Day of the Moon)
- Tuesday: dies Martis (Day of Mars)
- Wednesday: dies Mercurii (Day of Mercury)
- Thursday: dies Iovis (Day of Jupiter/Jove)
- Friday: dies Veneris (Day of Venus)
- Saturday: dies Saturni (Day of Saturn)
- Meaning: Dies means "day." The second word is in the genitive case, meaning "of [Deity/Planet]".
- Alternative Names: Sometimes Sunday was referred to as dies Dominicus (Lord's Day) in later, Christianized Latin.
- Origin: The Romans adopted this seven-day system, linking each day to the sun, moon, and five known planets, which were personified by their gods.