
Ancient Periods
Transits, progressions, solar return, profections, releasing, firdaria

Arabic Parts and Lots: Calculation, Meaning, and Practice
Arabic parts, or lots, are calculated ecliptic points that combine the luminaries, planets, and chart angles. This guide explains the A + B − C formula, the day and night versions of the Lots of Fortune and Spirit, the other classical lots, calculation, house placement, aspects, interpretation, worked examples, and common mistakes.

Firdaria: Planetary Periods of Life
Firdaria is an ancient time-lord system that divides life into fixed planetary periods ruled by the seven classical planets and, in many versions, the lunar nodes. This guide covers the 75-year cycle, the day and night sequences, major and sub-periods, the calculation method, interpretation of period rulers, timing, worked examples, limits, and common mistakes.

Decennials: Planetary Periods of Life
Decennials are a Hellenistic time-lord technique built on seven equal 129-month periods, each ruled by one of the seven classical planets. This guide covers the sect-based starting point, the chart-specific zodiacal sequence, sub-periods, interpretation, timing, worked examples, and common mistakes.

Zodiacal Releasing: The Chapters of Fortune and Spirit
Zodiacal releasing is an ancient time-lord technique that divides a life into chapters counted from the Lots of Fortune and Spirit. This article covers the lot formulas, the minor years of the planets, the zodiacal sequence, major and nested periods, the loosing of the bond, peak periods measured from Fortune, calculation with 360-day years, interpretation, worked examples and common mistakes.

Triplicity Rulers: Day, Night, and Participating Lords
Triplicity rulers are one of the five systems of essential dignity: each element has a day, a night, and a participating lord. This guide covers the four triplicities, the logic of the assignments, the early and later tables, step-by-step calculation, use in natal and horary charts, interpretation, worked examples, and common mistakes.