This course explores Primary Directions, a powerful predictive technique that was part of the essential prognostic toolbox of Hellenistic, Medieval, and Renaissance astrologers.
After completing this course, students will understand the underlying astronomy and conceptual basis of primary directions, how to use them in practice (as demonstrated in many case examples), and how to integrate this classical technique with other prognostic methods.
Original price was: $295.00.$280.25Current price is: $280.25.
1. Basic Astronomy and the Terminology of Primary Directions. Primary & Secondary Motion. Time-lords.
2. Significators and Promittors. The Celestial Sphere. Direct, Converse and Neo-converse Directions. Oblique and Right Ascension. Proportional Semi-arc.
3. Measuring Time on the Celestial Equator. The Circles of Position of Regiomontanus and Placidus. Natal Promise as the Foundation of Prediction.
4. Rectification using Primary Directions and Astrocartography. Circumambulation. Ascensional Times versus Proportional Semi-arc. “In zodiaco” vs. “in mundo” directions. Ptolemy’s contributions. Timing Keys (Ptolemy, Naibod, etc.). Software Chart Animation.
5. Rectification Example from William Lilly’s Christian Astrology, Book III. Case examples.
This course requires High Beginner Astrological Knowledge.
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Registration closes at 7:00am on Wednesday January 14th, 2026
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