Huehueteotl is an aged Mesoamerican deity figuring in the pantheons of pre-Columbian cultures, particularly in Aztec mythology and others of the Central Mexico region. The spellings Huehuetéotl and Ue
Head of Old God, Huehueteotl, held at the Birmingham Museum of Art
Statue of Huehueteotl (Museo Nacional de Antropología, Mexico City)
The calendrical systems devised and used by the pre-Columbian cultures of Mesoamerica, primarily a 260-day year, were used in religious observances and social rituals, such as divination.
Huehueteotl
…stems from Nahuatl huēhueh ("old") and teōtl ("god"). It seems to connect the Old God to certain Mayan deities called Mam ("Grandfather"). Huehueteotl's calendrical name is Nahui-Acatl ("Four-Reed"). Although known mostly in the cultures of that region, images and iconography depicting Huehueteotl have been found at…
Stelae 12 and 13 from Monte Albán, provisionally dated to 500-400 BCE, showing what is thought to be one of the earliest calendric representations in Mesoamerica.
The back of Stela C from Tres Zapotes, an Olmec archaeological site. This is the second oldest Long Count date yet discovered. The numerals 7.16.6.16.18 translate to September 1, 32 BCE (Gregorian). The glyphs surrounding the date are what is thought to be one of the few surviving examples of Epi-Olmec script.
Image of a colonial era Mexican calendar