Yule Sabbat by Dr. Kheti A. Sahure
"Yule or the Winter Solstice is scientifically based on the standing still position of the Sun; this has been practiced for over 10,000 years by many cultures (especially Native Americans, Spanish and Mexican Indians) around the globe with ceremonies and festivals over 12 days). Yule is a kind of spiritual, psychic, and physiological renewal of mind, body, and soul involving the 4 elements (Earth or North, Air or East, Fire or South, and Water or West) and the 5th element being the Spirit Guide at the top of a right side up pentacle and pentagram (which are mathematically based on geometry)..."
Source: http://ezinearticles.com/?Yule-Sabbat&id=3184137 - Oct 31, 2009