Aztec Calendar Name. Since the calendar was tied to the solar cycle, it added up to a total of 365 days. The tonalpohualli was the most important aztec calendar.
Aztec calendar, dating system based on the mayan calendar and used in the valley of mexico before the destruction of the aztec empire. The aztec calendar stone, better known in the archaeological literature as the aztec sun stone (piedra del sol in spanish), is an enormous basalt disk covered.