In magick, the position and phase of the Moon is considered to be one of the deciding factors in when to celebrate or when to use magick.

The New Moon and the sun rise and set together, therefore the new moon cannot be seen.  What is commonly referred to as the "new moon" is really the first day one can see the Waxing Crescent moon.

The Waxing, Crescent moon is seen as a sliver in the western evening sky, and sets after sunset in the early evening hours. The waxing moon is the ideal time for magick involving love or growth.

The first quarter moon's right half is illuminated; it is seen in the south at sunset, and sets around midnight.

The Waxing, Gibbous moon is between First Quarter and Full, with a "bulge" on the left side.  It rises in the afternoon and sets after
midnight.

The Full Moon, doubly round, rises about sunset, is seen all night, and sets about sunrise.  It is said to be opposite of the sun. This is when psychic energy is at it's peak, it's the best time for prophecy and divination.
prophecy and divination.

The Waning, Gibbous moon is between Full and Last Quarter, with a "bulge" on the right side.  It rises in the early evening and sets after sunrise the next day. The waning moon is the best time to break spells of stop bad situations.

The Last Quarter moon's left half is illuminated; it rises about midnight and sets about noon the next day.

The Waning, Crescent moon rises in the early morning hours and is seen as a sliver preceding the sun in the dawn sky.

Astrological Moon phases:

Moon in Aries:
This is the best time to work magick involving leadership, authority, rebirth, spiritual conversation, or willpower. Healing rituals for ailments of the face, head, or brain are also done during this period of time.

Moon in Taurus:
This is the best time to work magick for love, real estate, material acquisitions and money. Healing rituals for ailments of the throat, neck and ears also done during this time.

Moon in Gemini:
This is the best time to work magick for good communication, change of residence, writing, public relations and travel. healing rituals for ailments of the shoulders and arms, hands, or lungs are also done in this period of time.

Moon in Cancer:
This is the best time to work magick for home and domestic life.
healing rituals for ailments of the chest or stomach are also done during this time period of time.

Moon in Leo:
This is the best time to work magick involving authority, power over others, courage, fertility, or childbirth. Healing rituals for ailments of the upper back, spine, or heart are also done during this period of time.

Moon in Virgo:
This is the best time to work magick involving employment, intellectual matters, health and dietary concerns. Healing rituals for ailments of the intestines or nervous system are also done during this period of time.

Moon in Libra:
This is the best item to work magick involving artistic work, justice, court cases, partnerships and unions, mental stimulation and karmic spiritual or emotional balance. Healing rituals for ailments of the lower back or kidneys are also done during this period of time.

Moon in Scorpio:
This is the best time for magick involving sexual matters, power, psychic growth, secrets and fundamental transformations Healing rituals for ailments of the reproductive organs are also done in this period of time.

Moon in Sagittarius:
This is the best time to work on magick for publications, legal matters, travel, and truth. healing rituals for ailments of the liver, thighs or hips are also done at this time.

Moon in Capricorn:
This is the best time to do magick for organization, ambition.
recognition, career and political matters. healing rituals for the knees, bones teeth, and skin are also done at this time.

Moon in Aquarius:
This is the best time to work magick involving science, freedom, creative expression, problem solving, extrasensory abilities, friendship and breaking bad habits or unhealthy addictions. healing rituals for ailments of the calves ankles or blood are also done in this period of time.

Moon in Pisces:
This is the best time to work magick involving dreamwork, clairvoyance, telepathy, music, and the creative arts. Healing rituals for ailments of the feet or lymph glands are also done at this time