The Mayan calendars are based on energy derived from nature and celestial bodies. They can help us better attune to the energy of the day. Discover a year of 13 months, four-day weeks, and the depth of the birth chart. By Lucas Slager Lucas has been working with the Mayan calendars for over 20 years and has since published many books and calendars. Now available on Lothlorien is the Mayan Calendar Energy Journal for 2026–2027.