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Hermetic Lots Methodology and Formulas | Stelliums

Research

Hermetic Lots Formula and Source Record

The exact equations, directed-pair model, source passage, fixtures, and exclusions behind Stelliums Advanced Lots.

Published 8/26/2026 · Updated 8/26/2026

paulus-hermetic-lots-1.0.0 implements the seven lots in Paulus, Introduction chapter 23. Every lot is normalized to the 360-degree tropical zodiac after projecting its directed arc from the exact Ascendant.

Reproducibility contract

The general equation is Ascendant plus destination minus origin. Fortune and Spirit are calculated first; the remaining five then use either Spirit or Fortune with their associated planet. At night every origin and destination is reversed.

Regression boundary

Fixtures assert all seven day formulas, all seven night formulas, 360-degree wraparound, Whole Sign house placement, domicile ruler resolution, formula labels, rule version, and rejection of non-finite inputs.

This ruleset does not include topical Lots from Dorotheus, alternate Eros or Necessity formulas in Valens, later medieval parts, or an interpretive strength score.

Sources

Paulus on the seven Hermetic Lots

Paulus Alexandrinus · Introduction · Chapter 23, translated excerpt and analysis in Brennan, pp. 18-19

Open source

Method note

Stelliums separates cited historical or scholarly material, computational rules, and interpretation. A published article does not silently change calculation logic; engine and rules changes remain independently versioned.