The Aztec Sun Calendar. “everything points to the sun stone, wrongly known as the aztec calendar, being carved at the beginning of the 16th century from a block found on the san ángel scree or on the area around mizquic,” says lópez luján when. 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 with.

They followed a set of calendars to track planetary and solar events to make the most important decisions they had each year. Like the mayan calendar, the aztec calendar consisted of a ritual cycle of 260 days and a 365.