The planet that determines lifespan by aspecting the Hyleg; one of its minor, middle or major years is the predicted lifespan.
A birth time correction technique using the Moon's position in the prenatal syzygy.
A birth time correction technique using primary direction calculations.
The main ruling planet of the natal chart; the equivalent of oikodespotes in medieval terminology.
The fundamental astrological chart erected for the moment of a person's birth; the basis of all natal astrology interpretation.
A planet that rises ahead of the Sun or Moon and guards them; an indicator of leadership and support.
Planets located near the Sun or Moon as their 'guards'; indicators of status and power.
The method of predicting birth time by matching a person's physical appearance with Ascendant sign and 1st house characteristics.
A birth time verification technique by matching past transits with known life events.
A technique for correcting unknown birth time using solar arc directions.
A method of birth time correction using solar arc directions.
The most powerful planet of the entire chart; determined by scoring the rulers of the fiand hyleg points.
The domicile ruler of the Ascendant sign; one of the chart's most important planets, representing the person's general life orientation.
A rectification technique testing the effects of small changes in birth time using harmonic charts.
An ancient rectification technique based on the astrological relationship between the moment of birth and the moment of conception.
The chart point representing a person's vitality and lifespan; selected from fiand candidates.
A method that finds the most likely birth time by statistically analyzing numerous life events.
The ruling planet of a specific topic or point in Hellenistic astrology; in the sense of domicile lord.
The highest point where the ecliptic intersects the meridian; associated with career, public sphere and social status.
A method for determining a person's humoral temperament (sanguine, choleric, etc.) from the birth chart.
The overall ruler of the birth chart; used in ancient Greek in the sense of the chart's 'master of the house.'
A method of calculating the birth time backwards using the dates of known life events.
The determination of which planet is the most dominant and influential in a chart.
The last new moon or full moon before birth; a complementary indicator of the natal chart.
The use of the last new moon or full moon before birth as a rectification tool.
A technique for correcting birth time with minute-level precision using primary direction calculations.
A technique for determining the natal birth time and ascendant using annual profections.
A technique for pinpointing birth time by working backwards from lived events; the most challenging application of natal astrology.
Specialized software modules and tools that automate and accelerate the birth time correction process.
The leading planet of the day or night sect; an important factor in determining the overall tone of the chart.
The three ruling planets assigned to each triplicity group (trigon); they govern three periods of life.