What is Sagittarius in Western astrology?

Definition

Sagittarius is the ninth of the twelve equal thirty-degree signs of the Western zodiac, spanning 240 to 270 degrees of longitude and associated with the archer.

In plain words

Sagittarius is the ninth of the twelve equal thirty-degree signs of the Western zodiac, as the sign wheel is defined here, spanning 240 to 270 degrees of longitude. Classical sources such as Ptolemy's Tetrabiblos class it among the bicorporeal signs and link it with Jupiter and the sun. Modern writers often describe it as a mutable fire sign and as the home of seekers and travelers.

Also asked as

• What does Sagittarius mean in Western astrology?
• What are Sagittarius's element, mode and ruler?
• Is Sagittarius a sign or a constellation?
• What are the traditional dignities in Sagittarius?

History

In Ptolemy's Tetrabiblos, Sagittarius is one of the bicorporeal signs, following the solid signs and sharing the natural properties of two states of weather, as reported in the Loeb Classical Library edition.¹

Ptolemy reports that the ancients assigned Jupiter the two windy and fecund signs Sagittarius and Pisces, placing them in triangular aspect to the luminaries, which he describes as a harmonious and beneficent configuration.¹

Ptolemy states that the first triangle, passing through Aries, Leo, and Sagittarius, was assigned to the sun and Jupiter, with the sun governing by day and Jupiter by night.¹

Richard Hinckley Allen's Star Names: Their Lore and Meaning, as reprinted in the Dover edition of 1963, describes Sagittarius as the Archer, with Greek names such as Toxeutes used by Aratos and Eratosthenes, and notes that the Latin translations gave the Archer title to the constellation.²

Quick timeline

1. Early record — In Ptolemy's Tetrabiblos, Sagittarius is one of the bicorporeal signs, following the solid signs and sharing the natural properties of two states of weather, as reported in the Loeb Classical Library edition.¹
2. Classical framework — Ptolemy reports that the ancients assigned Jupiter the two windy and fecund signs Sagittarius and Pisces, placing them in triangular aspect to the luminaries, which he describes as a harmonious and beneficent configuration.¹
3. Later transmission — Ptolemy states that the first triangle, passing through Aries, Leo, and Sagittarius, was assigned to the sun and Jupiter, with the sun governing by day and Jupiter by night.¹
4. Modern usage — Richard Hinckley Allen's Star Names: Their Lore and Meaning, as reprinted in the Dover edition of 1963, describes Sagittarius as the Archer, with Greek names such as Toxeutes used by Aratos and Eratosthenes, and notes that the Latin translations gave the Archer title to the constellation.²

What classical and modern sources say

Classical view

In Ptolemy's Tetrabiblos, as reported in the Loeb Classical Library edition, Sagittarius is one of the bicorporeal signs, following the solid signs and sharing the natural properties of two states of weather.¹

Ptolemy reports that the ancients assigned Jupiter the two windy and fecund signs Sagittarius and Pisces, placing them in triangular aspect to the luminaries, which he describes as a harmonious and beneficent configuration.¹

In the Egyptian term table in Ptolemy's Tetrabiblos, Sagittarius lists Jupiter with 12 degrees, Venus 5, Mercury 4, Saturn 5, and Mars 4, as given in the Loeb edition.¹

Modern view

Wikipedia describes Sagittarius as the fourth of the mutable signs, which feature changeable quality, following Pisces, Gemini and Virgo. It forms part of the Fire Trigon with Aries and Leo. Modern readers can treat the mutable mode as a growth practice: adapting flexibly to new situations and revising a plan when new information arrives. Astrology.com's Debbie Stapleton describes Sagittarius as the home of the wanderers of the zodiac, with truth-seekers who hit the road and talk to others to find answers.⁴

The building blocks and rulership

Ptolemy's term table

In the Egyptian term table in Ptolemy's Tetrabiblos, Sagittarius lists Jupiter with 12 degrees, Venus 5, Mercury 4, Saturn 5, and Mars 4, as given in the Loeb Classical Library edition. These figures are the classical term divisions for the sign, shown as a table in that work.¹

Allen's naming history

Richard Hinckley Allen's Star Names: Their Lore and Meaning, as reprinted in the Dover edition of 1963, describes Sagittarius as the Archer, with Greek names such as Toxeutes used by Aratos and Eratosthenes. Allen notes that the Latin translations gave the Archer title to the constellation, and that cuneiform inscriptions call it the Strong One and the Giant King of War.²

Wikipedia's sign summary

Wikipedia describes Sagittarius as the ninth astrological sign of the zodiac, associated with the archer and depicted as a human archer or a bestial centaur. It places Sagittarius among the mutable signs, the fourth after Pisces, Gemini and Virgo, and as part of the Fire Trigon with Aries and Leo.⁴

Astrology.com's modern reading

Astrology.com's Debbie Stapleton describes Sagittarius as the home of the wanderers of the zodiac, with truth-seekers who hit the road and talk to others to find answers. Astrology.com also notes that classical astrology made Sagittarius the diurnal home of Jupiter, with Gemini as its opposite sign.⁶⁴

The astronomy

Sagittarius is associated with the constellation Sagittarius and spans the 240th to 270th degrees of the zodiac. Under the tropical zodiac, the sun transits it between approximately November 23 and December 21. This range is the sign-wheel definition used here, and it describes where the sign sits along the ecliptic rather than any interpretive claim about character.⁴

Sagittarius, traditionally ruled by Jupiter, stands opposite Gemini, ruled by Mercury: the two signs sit 180 degrees apart. Keeping this measured relation separate from symbolic meaning prevents longitude from being confused with interpretation.¹

Where astrologers differ

Astrology.com notes that in classical astrology Sagittarius was the diurnal home of Jupiter, while Gemini is its opposite sign and Mercury was traditionally in detriment opposite Sagittarius. Ptolemy's Tetrabiblos, as reported in the Loeb Classical Library edition, places the sign among the bicorporeal signs, a classical grouping that Wikipedia's modern summary does not use; Wikipedia instead presents Sagittarius as a mutable sign within the Fire Trigon. Readers comparing these sources can note that the classical and modern accounts emphasize different categories for the same sign.

Then and now

Then

In Ptolemy's Tetrabiblos, as reported in the Loeb Classical Library edition, Sagittarius is one of the bicorporeal signs, following the solid signs and sharing the natural properties of two states of weather.¹

Now

Wikipedia describes Sagittarius as the fourth of the mutable signs, which feature changeable quality, following Pisces, Gemini and Virgo. It forms part of the Fire Trigon with Aries and Leo. Modern readers can treat the mutable mode as a growth practice: adapting flexibly to new situations and revising a plan when new information arrives. Astrology.com's Debbie Stapleton describes Sagittarius as the home of the wanderers of the zodiac, with truth-seekers who hit the road and talk to others to find answers.⁴

Worked out from the evidence

Reasoned from the cited facts, not stated outright by any one source.

Because Ptolemy's Tetrabiblos places Sagittarius among the bicorporeal signs and Wikipedia places it among the mutable signs, the same sign is classed under two different groupings, one classical and one modern.

Ptolemy's Jupiter assignment and Astrology.com's diurnal-home note both tie Sagittarius to Jupiter, so Jupiter is the planetary link that appears across classical and modern accounts.

Not yet confirmed

• Whether the Cuneiform link between Sagittarius and the war god Nergal, which Allen considers likely, is confirmed by the surviving inscriptions themselves.
• How Ptolemy's bicorporeal grouping and the modern mutable grouping for Sagittarius were reconciled, if they were, between the classical and modern traditions.

Follow the parts of Sagittarius

Continue through Scorpio, Capricorn.

Questions people also ask

What kind of subject is Sagittarius?

Sagittarius is the ninth astrological sign of the zodiac, associated with the archer and depicted as a human archer or a bestial centaur. Wikipedia describes it this way, so the sign is a symbolic category within the astrological framework.⁴

Is Sagittarius a constellation or a sign?

Sagittarius is both a sign and a constellation: the sign is associated with the constellation Sagittarius and spans the 240th to 270th degrees of the zodiac.⁴

Why do descriptions of Sagittarius differ?

Astrology.com's Debbie Stapleton describes Sagittarius as the home of the wanderers of the zodiac, while Ptolemy's Tetrabiblos places it among the bicorporeal signs. Attributing each description to its author or work shows which tradition is speaking.⁶¹

Method and review

Every statement about Sagittarius was checked against the wording of its 6 sources (Ptolemy (LacusCurtius), Allen's Star Names, Encyclopaedia Britannica, Wikipedia and Astrology.com), and its positions and boundaries were calculated with Astronomy Engine. How the Machine works.