Muisca calendar

Calendar notes by M. Finlay, Maya Astronomy Maya Cycles of Time at The Maya Calendar by the Maya World Studies Center in Yucatán Mexico Maya Calendar

Horcasitas; Doris Heyden, ed. Book of the Gods and Rites and The Ancient Calendar. Civilization of the American Indian series. Diterjemahkan oleh Fernando

hlm. 433. Ruggles 2014. Magli(2009), hlm. 173-174. "Mayan Haab Calendar". mayan-calendar.com. Diakses tanggal 2017-12-15.  Kettunen and Helmke (2005),

Kaminaljuyu. Malmstrom, Vincent "Cycles of the Sun, Mysteries of the Moon: The Calendar in Mesoamerican Civilization" 1997, University of Texas Press (also http://www

(dalam bahasa Spanyol) Detailed description of the temalacatl from Mexico's Museo Nacional de Antropología Daily Aztec Calendar Aztec Calendar Ruben Ochoa Correlation