Babylonian Horoscopes

The dates of the nativities in the earliest horoscopes to survive are at the end of the fifth century. The earliest has only been published recently, and it shows a transitional stage in the casting of horoscopes. Instead of recording the positions of planets in relation to the zodiac on the day of the birth, it is constructed around the synodic appearances of the planets surrounding the birth, and even records calendaric and meteorological data. It thus simply applies the sort of data...