"If the primary directions were surely the favourite tool of the traditional astrologer, they generally were used together with solar returns and profections. Only combining the three tools together a prediction is possible- something very far from the modern use of transits.

First published on November 20, 2007, this author was the only Western astrologer using the tropical zodiac to correctly identify an Aquarian Ascendant for Barack Obama through medieval methods of natal chart rectification.  Two other successful efforts were made by astrologers using the sidereal zodiac.  As an update to the rectified time of 7:54:28 PM with an Ascendant of 27AQ09'12", this article provides out-of-sample tests which compare events of 2008 to dynamic measurements based on the 7:54:28 PM horoscope.  Despite an official birth certificate time of 7:24 PM rep

"We are all familiar with the idea in Primary Directions that 1° of RA is equal to 1 year in the life; and, in Profections, 30° of longitude is equal to 1 year of life;  in transits, 1° of longitude is equivalent to one day in the life but what is the basis for these equivalencies? It turns out they are all related to the two ways we measure time: with reference to equinoctial points, tropical motion, and with reference to the backdrop of the fixed stars or sidereal motion."

A Blog On Western Traditional Astrology

"Nicolaus Rensberger dedicates the whole of Book four of his Astronomia Teutsch to directions and profections. Unlike William Lilly he does not seem to use monthly or diurnal profections, but concentrates on annual profections alone.