Lunar cycle. Key to understanding

This book considers a monthly cycle that receives as a result of consecutive compounds of oppositions of the moon and the sun.
These two cycles, the annual and monthly, not only belongs to the main role in astrology to identify the basic pattern where only psychological chaos can be seen or distraught from grief, but these cycles are prototypes of two categories of cycles, the first Of these, it deals with the periodic movement of one factor regarding the theoretically fixed starting point (in the case of a year it is the point of the spring equinox) - the second refers to the cyclic relationship between two bodies moving at different speeds, but encountered at equal time intervals (compounds - new moon)