This section is from the book "Understanding Astrology", by Ezequiel Gonzalez. See also Joanna Martine Woolfolk - The Only Astrology Book You'll Ever Need.
Aries:
The sign Aries covers the first 30 degrees of the ecliptic starting at the Spring Equinox. These correspond to March 21 through April 19 in the Almanac. Aries' ruling planet is Mars. Venus finds herself in detriment here, but the Sun finds its exaltation in this sign. Aries is Cardinal, Fire. Its basic keywords are: Ardently, egotistically, impulsively, vigorously and aggressively. Aries symbol is the Ram.
Taurus:
The sign Taurus covers the second 30 degrees of the ecliptic (from 30 to 60 degrees). These correspond to April 20 through May 20. Taurus ruling planet is Venus. Mars finds its detriment here, but the Moon is exalted. Taurus is fixed Earth. Its basic keywords are: Obstinately, Possessively, Patiently and Reliably. Taurus symbol is the Bull.
Gemini
The sign Gemini covers the third 30 degrees of the ecliptic (from 60 to 90 degrees). These correspond to May 21 through June 21. Gemini ruling planet is Venus. Jupiter finds its detriment here. Gemini is Mutable air. Its basic keywords are: Communicatively, Intellectually, alertly, nervously. Gemini symbol is the Twins.
Cancer:
The sign Cancer covers the fourth 30 degrees of the ecliptic (from 90 to 120 degrees). These correspond to June 22 through July 22. Cancer's ruling planet is the Moon. Saturn is in detriment here. Jupiter is exalted. Cancer is Cardinal water. Its basic keywords are: Protectively, moodily, graspingly, (tender loving care), sensitive and caring. Cancer symbol is the Crab.
Leo:
The sign Leo covers the fifth 30 degrees of the ecliptic (from 120 to 150 degrees). These correspond to July 23 through August 22. Leo's ruling planet is the Sun. Saturn is in detriment here, but Pluto is exalted. Leo is Oaf ixed Fire. Its basic keywords are: Creatively, dramatically, heartily, proudly. Leo symbol is the Lion.
Virgo:
The sign Virgo covers the sixth 30 degrees of the ecliptic (from 150 to 180 degrees). These correspond to August 23 through September 22. Virgo's ruling planet is Mercury. Neptune and Jupiter are in detriment here. No planet is exalted here. Virgo is Mutable Earth. Its basic keywords are: Discriminatingly, Industriously, Modestly, critically, analytically. Virgo's symbol is the Virgin.
Libra:
The sign Libra covers the seventh 30 degrees of the ecliptic (from 180 to 210 degrees). These correspond to September 23 through October 23. Libra's ruling planet is Venus. Saturn is exalted here. Libra is Cardinal Air. Its basic keywords are: Diplomatically, Impartially, Socially, Discontentedly, Harmoniously, with balance. Libra symbol is the Scales.
Scorpio:
The sign Scorpio covers the eight 30 degrees of the ecliptic (from 210 to 240 degrees). These correspond to October 24 through November 22. Scorpio's ruling planet is Mars (and Pluto). Uranus is exalted here. Venus is in detriment. Scorpio is Fixed Water. Its basic keywords are: Intensely, Compulsively, Penetratingly, Cruelly, Secretively. Scorpio symbol is the Scorpion, Eagle or Phoenix.
Sagittarius
The sign Sagittarius covers the ninth 30 degrees of the ecliptic (from 240 to 270 degrees). These correspond to November 23 through December 21. Sagittarius' ruling planet is Jupiter. No planet is exalted here. Mercury is in detriment. Sagittarius is Mutable Fire. Its basic keywords are: Expansively, Freely, Wisely, Optimistically, Wide Rangingly. Sagittarius symbol is the Archer.
Capricorn
The sign Capricorn covers the tenth 30 degrees of the ecliptic (from 270 to 300 degrees). These correspond to December 22 through January 19. Capricorn' ruling planet is Saturn. Mars is exalted here. The Moon is in detriment . Capricorn is Cardinal Earth. Its basic keywords are: Ambitiously, Coolly, Rigidly, Prudently, Fearfully, Responsibly. Capricorn's symbol is the Goat.
Aquarius:
The sign Aquarius cover the eleventh 30 degrees of the ecliptic (from 300 to 330 degrees). These correspond to January 20 through February 18. Aquarius ruling planet is Saturn (and Uranus). The Sun is in detriment here while Mercury is exalted. Aquarius is Fixed Air. Its basic keywords are: Unconventionally, Impersonally, Rebelliously, Humanitarianly, and Detached. Aquarius symbol is the Water Bearer.
Pisces
The sign Pisces cover the twelfth 30 degrees of the ecliptic (from 330 to 360 degrees). These correspond to February 18 through March 20. Pisces ruling planet is Jupiter (and Neptune). Mercury is in detriment here while Venus is exalted. Pisces is Mutable Water. Its basic keywords are: Impressionably, Indealistically, Emotionally, Vaguely, Spiritually, with compassion. Pisces symbol is the Fish.
 
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