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Mercury in Astrology




Mercury-Hermes in astrology large glyph





Mercury relates astrologically more to our internal and personal life than to life outside. Mercury is not only the messenger from god to man, but also the internal messenger: the link between the eternal and the mundane, between our soul and our personality. It represents sense perceptions and communication devices that our true self, the divine spark residing within us, uses to run the machinery of the body. In insanity this link is broken, but normally, through our mind and eyes, heaven bears witness to the Earth, and god may still talk to man.

Mercury rules the mind, the senses (not the sense organs), and communication: speech, writing, letters, radio, TV. It symbolizes siblings, intelligence, skills, techniques, powers of logic, reason, perception, short journeys, and one’s capacity to be educated. All three symbols are present in Mercury’s symbol on the facing page: the cross of Earth manifestation, the circle of spirit, and the uplifted crescent of personality.

Mercury is neither masculine nor feminine but neutral: it is silver, reflecting all that it contacts. The more aspects you have to Mercury in your chart, the greater and more complex your consciousness. The reflective mind needs aspects for its expansion, and the closest aspect is the most important. In the physical body it rules the nervous system, the arms, hands and shoulders, the lungs and the respiratory tract. Its position by house in your chart is where your mind or attention is focused.

Mercury goes retrograde three to four times a year for three-week periods, and occurs in 1/5 of all charts (Venus is retrograde in 1/14 and Mars in 1/10 of all charts). If your Mercury is retrograde, there is an “Rx” just inside its position numbers (like 25°•13’ Rx) in your chart. Mercury retrograde individuals need to personalize and digest data before they can understand or communicate it. Unusually sensitive to what others say, they take things personally, as they must relate it to themselves to make it significant. Once something has been learned, however, it is never forgotten. This process may appear as mental slowness to others. It is important that parents listen carefully to and make sure they understand their retrograde Mercury child, as well as giving that child plenty of time to communicate what is on his or her mind.

Mercury rules two signs: Gemini as thought and communication, perceiving relationships and how things are alike; and Virgo, where it analyzes, gathers facts, digests experience, discriminates, and purifies. Please see Johfra Bosschart’s beautiful paintings of Gemini and Virgo on pages 110 and 111 in the Fine Art Book You and the Universe.

This Mercury in astrology page and much of this 600-page website are excerpted from the personalized Fine Art Book You and the Universe.


Mercury in the Houses

Mercury in the signs

Mercury in the first house

Mercury glyph, large

Mercury in Aries

Mercury in the second house

Mercury in Taurus

Mercury in the third house

Mercury in Gemini

Mercury in the fourth house

Mercury in Cancer

Mercury in the fifth house

Mercury in Leo

Mercury in the sixth house

Mercury in Virgo

Mercury in the seventh house

Mercury in Libra

Mercury in the eighth house

Mercury in Scorpio

Mercury in the ninth house

Mercury in Sagittarius

Mercury in the tenth house

Mercury in Capricorn

Mercury in the eleventh house

Mercury in Aquarius

Mercury in the twelfth house

Mercury in Pisces

Mercury's aspects:

Mercury conj. ascendant

Mercury opp ascendant

Mercury conjunct Venus

Mercury conjunct Pluto

Mercury conjunct Mars

Mercury conjunct Saturn

Mercury conj Jupiter

Mercury opposed Pluto

Mercury opposed Saturn

Mercury conj Uranus

Mercury conj. Neptune

or go to . . .

Mercury in mythology

Mercury in astronomy 

the 12 houses

the 10 planets

the 12 signs



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©Carl Woebcke, Mercury in Astrology, 1991-2017. All rights reserved.