The waxing moon is a great time to cast, love, wealth, success, courage, friendship, and health magick spells. It is associated with growth.
The full moon is perhaps one of the most powerful of the moon phases. It is a great time to cast prophecy-related or divination spells, and any spell that needs an extra power boost. The full moon creates extra energy, therefore amplifying your spells power.
The waning moon is an ideal time to cast banishing, protection, breaking bad habits, and addictions spells. It is associated with endings.
The new moon is associated with new beginnings, and therefore is another perfect opportunity to cast love, romance, health, and job hunting spells.