Volume 2 — CHAPTER XVI. THE AZTEC CALENDAR.
Reading edition
Astronomical Knowledge of the Aztecs—Contradictions of Authors respecting the Calendar—Value of the Researches of Various Writers—The First Regular Calendar—The Mexican Cycle—The Civil Year—The Aztec Months—Names of the Days and their Signification—The Commencement of the Aztec Year—The Ritual Calendar—Gama's Arrangement of the Months—The Calendar-Stone—The Four Destructions of the World—The Calendar of Michoacan—Reckoning of the Zapotecs502