The 36 Decans: A Comprehensive Index of the Celestial Faces

The 36 Decans represent one of the oldest and most geographically expansive systems of celestial measurement in the history of human civilization. Originating in Ancient Egypt as the Bak-ti—thirty-six groups of stars that rose over the horizon at specific intervals—the decans eventually merged with the Greco-Roman zodiac and the Hermetic traditions of the late antiquity.

Each zodiacal sign of 30 degrees is divided into three equal segments of 10 degrees, known as Decans. These are not merely sub-divisions of the signs, but "Faces" (Prosopa) that hold distinct planetary rulers and unique archetypal qualities. In the Western Esoteric Tradition, the Decans serve as the bridge between the high macrocosmic powers of the Zodiac and the practical, telluric manifestation of planetary energy.

Below is the complete index of our investigations into the 36 faces of the celestial wheel:

Aries

• The Aries Decan 1: The Geometry of Mars
• The Aries Decan 2: The Geometry of Sun
• The Aries Decan 3: The Geometry of Venus

Taurus

• The Taurus Decan 1: The Geometry of Mercury
• The Taurus Decan 2: The Geometry of Moon
• The Taurus Decan 3: The Geometry of Saturn

Gemini

• The Gemini Decan 1: The Geometry of Jupiter
• The Gemini Decan 2: The Geometry of Mars
• The Gemini Decan 3: The Geometry of Sun

Cancer

• The Cancer Decan 1: The Geometry of Venus
• The Cancer Decan 2: The Geometry of Mercury
• The Cancer Decan 3: The Geometry of Moon

Leo

• The Leo Decan 1: The Geometry of Saturn
• The Leo Decan 2: The Geometry of Jupiter
• The Leo Decan 3: The Geometry of Mars

Virgo

• The Virgo Decan 1: The Geometry of Sun
• The Virgo Decan 2: The Geometry of Venus
• The Virgo Decan 3: The Geometry of Mercury

Libra

• The Libra Decan 1: The Geometry of Moon
• The Libra Decan 2: The Geometry of Saturn
• The Libra Decan 3: The Geometry of Jupiter

Scorpio

• The Scorpio Decan 1: The Geometry of Mars
• The Scorpio Decan 2: The Geometry of Sun
• The Scorpio Decan 3: The Geometry of Venus

Sagittarius

• The Sagittarius Decan 1: The Geometry of Mercury
• The Sagittarius Decan 2: The Geometry of Moon
• The Sagittarius Decan 3: The Geometry of Saturn

Capricorn

• The Capricorn Decan 1: The Geometry of Jupiter
• The Capricorn Decan 2: The Geometry of Mars
• The Capricorn Decan 3: The Geometry of Sun

Aquarius

• The Aquarius Decan 1: The Geometry of Venus
• The Aquarius Decan 2: The Geometry of Mercury
• The Aquarius Decan 3: The Geometry of Moon

Pisces

• The Pisces Decan 1: The Geometry of Saturn
• The Pisces Decan 2: The Geometry of Jupiter
• The Pisces Decan 3: The Geometry of Mars

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To study the Decans is to observe the intricate "weaving" of the planetary forces within the fabric of the Zodiac. Each decan offers a specific "geometry" for the soul to inhabit, providing the keys to understanding the cycles of time and the hidden architecture of the personality.

Lux Esoterica.
2026.