Saturday (Saturn) Magick
Saturday is the sixth day of the week according to international standard ISO 8601 , or the last (seventh) day of the week in conventions that consider the week as beginning on Sunday. Saturday was named no later than the second century for the planet Saturn , which controlled the first hour of that day according to Vettius Valens . Its Latin name dies Saturni ("Saturn's Day") entered into Old English as Sæternesdæg . The weekday heptagram , i.e. the association of the days of the seven-day week with the seven classical planets , probably dates to the Hellenistic period . Between the 1st and 3rd centuries, the Roman Empire gradually replaced the eight day Roman nundinal cycle with the seven-day week. The astrological order of the days was explained by Vettius Valens and Dio Cassius (and Chaucer gave the same explanation in his Treatise on the Astrolabe ). According to these authors, it was a principle of astrology that the heavenly bodies presided, in succession,