Fondements
Décan
Astrology content is for reflection and entertainment, not medical, financial, legal, or mental-health advice.
What is Décan en Astrologie — Signification et Interprétation?
A decan or decanate divides each 30° zodiac sign into three equal 10° sections. Each decan is sub-ruled by a different planet traditional system or by a different sign of the same element modern system . Decans add a layer of nuance to any planet's sign placement — a planet at 5° Aries is in the first decan ruled by
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Décan : Signification en Astrologie
A decan (or decanate) divides each 30° zodiac sign into three equal 10° sections. Each decan is sub-ruled by a different planet (traditional system) or by a different sign of the same element (modern system). Decans add a layer of nuance to any planet's sign placement — a planet at 5° Aries is in the first decan (ruled by Mars), while one at 25° Aries is in the third decan (ruled by Jupiter/Sagittarius).
My Zodiac AI calcule et interprète Décan dans votre thème natal personnel grâce aux calculs précis de l'éphéméride suisse.
Décan dans la pratique astrologique
Dans l'astrologie moderne, Décan appartient à la catégorie Fondements et est analysé en relation avec les autres éléments du thème natal — planètes, maisons et aspects — pour une lecture complète et personnalisée.
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Questions fréquentes
First decan (0-9°59' Scorpio): Scorpio sub-tone, ruled by Mars/Pluto. Second decan (10-19°59' Scorpio): Pisces sub-tone, ruled by Neptune/Jupiter. Third decan (20-29°59' Scorpio): Cancer sub-tone, ruled by Moon. Each decan colors the Scorpio energy differently.
Your Sun's decan depends on its exact degree in your sign. If your Sun is at 0-9°59', you're in the first decan; 10-19°59' is the second decan; 20-29°59' is the third decan. Each decan of your Sun sign is further flavored by its sub-ruler.
Some horoscope content divides each sign into three groups and gives slightly different readings for each decan. This is more specific than Sun-sign horoscopes but less precise than a full natal chart reading.
Decans divide each sign into three 10° equal sections with a planetary sub-ruler. Terms (or bounds) divide each sign into five unequal sections, each with a different planetary ruler. Both are traditional subdivision techniques that add nuance beyond the basic sign placement.