Articles - Astro-ORB

$The "5-degree rule"—counting a planet before a house cusp as belonging to the next house—is one of astrology's most pervasive misconceptions. By revisiting Ptolemy's Tetrabiblos and the physics of diurnal motion, this article deconstructs the rule as a technical compensation for ancient observational errors rather than a universal law. Explore the critical distinctions between natal and horary logic, the role of atmospheric refraction, and why understanding the "why" behind the technique is essential for any serious astrologer.$

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The “5-Degree Rule”: A Historical Misconception or a Valid Technique?
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Astro-ORB