Cardines (Angles)

KAR-di-neez

Definition

The cardines are the four corner points of a chart. They are the Ascendant (the eastern horizon at the moment of birth), the Midheaven (the point directly overhead), the Descendant (the western horizon, opposite the Ascendant), and the Imum Caelum (the lowest point, the nadir, opposite the Midheaven). The Latin word cardines means "hinges" and translates the Greek kentra, "centres" or "angles." A planet sitting on or near one of these four pivot-points is read as having its meaning turned up to full strength for that time and place of birth.

In Tradition

In the Babylonian-Hellenistic transmission, and in traditional Western astrology, the four cardines set up the framework of the daily turning of the sky: the corner houses tie a planet's meaning to a real time and place. Babylonian astronomical-diary practice tabulated rising-time data — with the rising-time differences that Pingree and Hunger document at length — and the Hellenistic system shaped that into the four cardines. About five surviving Greek papyrus horoscopes from the Roman period name all four cardines outright; many practitioners simplified to just the Ascendant.

In Practice

You calculate the four cardines from an exact time and place of birth. The Ascendant comes from rising-time tables — the Babylonian Systems A and B preserved in the cuneiform record, later refined by Ptolemy in *Almagest* II.7-9; the Midheaven comes from the hour-angle measured off the Ascendant; the Descendant and Imum Caelum are simply the opposite points. A planet within a tight orb of any cardine gains angular strength (Greek kentron, Latin cardines) and acts as a primary chart-significator, following the Hellenistic ranking of the angles — most authorities order them 1st, then 10th, then 7th, then 4th. How accurate the cardines are depends on an accurate birth time and accurate rising-time data, and the Babylonian rising-time precedents supply the mathematical groundwork underneath.

Historical Origin

The four-cardines framework descends from the Babylonian astronomical-diary rising-time tables (the Astronomical Diaries, Sachs & Hunger 1988-1996; the MUL.APIN tablets) and was formalized in the Hellenistic technical corpus, including Vettius Valens' *Anthologiae* (c. 145-175 CE) and Ptolemy's *Almagest* II.7-9 with its refined rising-time computation. The doctrine carries on through the Arabic-Persian transmission (al-Biruni's *Kitab al-Tafhim*, 1029) and the medieval Latin tradition. About five Greek papyrus horoscopes attest all four cardines; many simplified to the Ascendant.

Definition

In Tradition

In Practice

Historical Origin

Further Reading