
It produces lifetime lists of primaries including one that gives side-by-side comparison of the hit dates produced by 8 different keys (time-arc conversions), including Ptolemy, Cardan, Naibod, Placidus, Kepler, Kuendig, Van Dam, Sun's travel on birthdate, and user-defined. Kolev's extensive scholarship, the Primary Directions module calculates hundreds of variations of primaries so you can see which systems yield the most accurate event timing.

The Primary Directions Moduleĭrawing on Dr. Kolev’s previous Primary Directions and Early Western Astrology modules with a brand-new module for Mesopotamian astrology. Released in 2012, Placidus 7 combines Dr. Placidus 7: The Ultimate Tool for Ancient Astrology Porphyrius Magus 1 - Hellenistic/Arabic/Medievalīabylonia - Earlier rendition of Mesopotamian module

Porphyrius Magus 2 - Hellenistic/Arabic/Medieval + Mesopotamian Placidus 6 - Primary Directions + Hellenistic/Arabic/Medieval Placidus 7 - Primary Directions + Hellenistic/Arabic/Medieval + Mesopotamian
