Introduction to Timing with Minor Periods and Ascensional Times

We know about this technique from Hellenistic astrologer Vettius Valens, who wrote about it in Book VII of the Anthology under this mouthful of a chapter: “Teaching Concerning the Successful and Unsuccessful Times in Relation to ½, ⅓ and ⅔ of the Ascensions and Periods of the Stars” (Robert Schmidt translation). Valens seems to hold