Decan
Sagittarius decan 3: the decan lords of both systems
Tropical zodiac, Western astrology
Sagittarius decan 3 · ราศีธนู เดแคนที่ 3
Chaldean decans
Sagittarius decan 3 covers 20°00′–29°59′ of Sagittarius, the last ten degrees before Capricorn. In the Chaldean system each ten-degree slice has a lord called the face, and here it is Saturn.
Saturn as face lord gives the end of Sagittarius a structured version of belief. Learning is formal, convictions are tested, and big ideas are turned into commitments with a timeline: a course finished, a practice kept up, a trip planned in detail. Honesty is blunt and responsible. The optimism of the sign is held back by caution, which can make it feel serious for its own sake, and doubt is more often put through an exam than brushed aside.
A planet here tends to emphasise disciplined study and tested conviction. In practice, you enrol in a long course, keep up the reading every week, and test what the teacher claims against your own experience.
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Triplicity decans
Sagittarius decan 3 covers 20°00′–29°59′ of Sagittarius, the last ten degrees before Capricorn. In the triplicity system its sub-sign is Leo, and its lord is the Sun, the traditional ruler of Leo.
Sagittarius coloured by Leo adds warmth and a sense of occasion. Optimism takes a generous, theatrical form: speaking, hosting, teaching, leading a group on a trip. Loyalty to a cause is strong, and so is the need to be seen supporting it. Of the three parts of Sagittarius this is the one that most wants to inspire a room, and the one that can turn a plain announcement into an event.
A planet here tends to emphasise generous leadership. In practice, you introduce the speaker at an event, bring the group together with a toast, and turn a plain meeting into something people remember.
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Note
The two systems count in different ways, so their results can differ; they do not contradict each other.
Textbook facts
| Fact | Value |
|---|---|
| Sign | Sagittarius |
| Degrees | 20°00′–29°59′ |
| Decan lord (Chaldean) | Saturn |
| Sub-sign (triplicity) | Leo |
| Decan lord (triplicity) | Sun |
Source: Ptolemy 1822 Bk I ch. XXVI, p. 37 · Leo 1906 ch. VIII, p. 43 (not yet checked against the original) · Lilly 1647 Bk I (not yet checked against the original) · Leo 1899 ch. XVI, pp. 43–46 (not yet checked against the original)
In your chart
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Related
Sign
Decans ruled (Chaldean)
Decans ruled (triplicity)
Sub-sign (triplicity)
Decans
Decan systems
Sources
- Ptolemy, Tetrabiblos, or Quadripartite (1822) Bk I ch. XXVI, p. 37
- Alan Leo, The Progressed Horoscope (1906) ch. VIII, p. 43 (not yet checked against the original)
- William Lilly, Christian Astrology (1647) Bk I (not yet checked against the original)
- Alan Leo, Astrology for All (1899) ch. XVI, pp. 43–46 (not yet checked against the original)