Planets, Moon, Sun and stars have been associated with energy and magic for thousands of years. Each of them has its own powers and energies, influencing each day of the week. One planet will rule during a specific day, but its powers will be influenced by other planets as the day goes by as well.
THE MOON is a ruler of the day Monday, and the most important planet when casting spells. It is associated with perceptive feminine energies, female mysteries, dreams, imagination, childbirth and conception, emotions, healing and divination. It poses a great power over Earth, the tides, crops and human body. Moon goes through 4 phases which has also a great influence on spell work. New Moon is best for spells relating for banishing and new beginnings. Waxing Moon indicates a phase when the Moon grows from new to full, and thus suitable for spells regarding with growth, attraction and creation. Full Moon is when moon is fully visible and best for manifestation spells like love, money, prosperity and divination. Witch ritual - Esbat is often performed to honor the Goddess. Waning Moon indicates a phase when full moon slowly vanishes to dark/new moon. It is time for spells regarding banishing, release and dying off. Moon is also a ruler of zodiac sign Cancer, the element of water and thus spells regarding family, nurturing, domestic affairs and the unconscious, and characteristics of Cancer in general. Avoid doing spells when Moon is void of course, which is time between signs, it can last few minutes or hour. Check it out before you will cast any spells as it can disrupt or prevent your desired result.
MARS is a ruler of the day Tuesday, named after Norse God Tyr. Planet Mars is named after Roman God of war Mars and therefore associated with aggressive masculine energy, especially the darker side. Spells done on Tuesday are associated with loyalty, courage, action, freedom, aggression, decisiveness, marriage and lust. However, it is important not to do spells done on this day in anger or frustration as these can be projected on overall spell work. Mars is a ruler of zodiac sign Aries, element of fire and thus spells regarding physical appearance, ego, action and initiation, and characteristics of Aries in general. Avoid making spells regarding major decisions about relationships, contracts or projects during Mars retrograde as the energy of anger and conflict can be considerably increased.
MERCURY is known for its swift movements, a ruler of the Wednesday and named after Roman God Mercury. Energy is inconsistent, therefore must be balanced with more peaceful energy of another planet. Spells best done on Wednesday are regarding communication, intellect and learning, education and perception, writing and memory. Mercury is a ruler of zodiac signs Gemini and Virgo, element of Air and Earth, and therefore associated also with spells regarding consciousness, design, verbal and intellectual expression, perfection, details, planning and refinement. Avoid during spell work during Mercury Retrograde as it can have unexpected and disruptive effects on spells. Decisions made during this time tend to be short-lived. Use this time for brainstorming and creative art instead.