Their months are based on observations of the lunar cycle, with intercalation being used to bring them into general agreement with the solar year. ... Synodic months are 29 or 30 days in length, making a lunar year of 12 months about 11 days shorter than a solar year.
As suggested by some scholars the relationships that exist between the geometric and underlying cathedrals and scholasticism and an intellectual system of thoughts that attempts to reconcile Christian theology. And all these marketed as the ending of the ancient phiopsipoies in the west and spread of the Christianity.
