Good heavens, yes. Every book on astrology published before 2000 or so has those instructions in it. Fortunately you don't need to know the spherical trigonometry; if you get an ephemeris (a book with the positions of the planets on each day) and a book of astrological tables, basic math is all you need.
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branchandroot
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Date: 2025-05-19 06:04 pm (UTC)