The Moon is the complement of the Sun, reflecting its light onto the Earth and governing its tides and cycles. Seen from Earth, the Sun and Moon are equal in size. The moon symbolizes our subconscious mind, habits, feelings, moods, instincts, reflections, and aspirations. It nurtures growth and protects life and represents fluctuation, the feminine and the common people and their needs. It also represents Mother, women, perceptual mind, emotions, nurturing, feeling, family, the public, protecting.
It rules the fourth sign, Cancer and the Fourth House. It orbits and Earth and the zodiac every twenty-eight days, and it completes one cycle between new moons every twenty-nine and one-half days.