Mesoamerican Long Count calendar number (portion of the DN preceding era date) 7.2.14.19<br> Add Ring number to the ring number date to reach 13.0.0.0.0 Thompson contains a table of typical long reckonings after Satterwaite. The "Serpent Numbers" in the Dresden codex pp. 61–69 is a table of dates using a base date of 1.18.1.8.0.16 in the prior era (5,482,096 days). Mesoamerican Long Count calendar The Mesoamerican Long Count calendar is a non-repeating, vigesimal (base-20) and base-18 calendar used by several pre-Columbian Mesoamerican cultures, most notably the Maya. For this reason, it is often known as the Maya (or Mayan) Long Count calendar. Using a
Mesoamerican cosmovision heavily during the Colonial Period that they used their origin story as justification to claim native lands. Ancestor worship is a common theme in Mesoamerican cosmovision. The northern, Nahautl-speaking people all shared a common origin story, which is depicted in the Mapa de Cuauhtinchan. This map serves not only to center the Mesoamerican world through the stories of its ancestors and rulers, but also depicts urban centers, which reflect worldmaking. Finally, the Mapa de Cuauhtinchan also reveals ceremonial rituals, an essential component of worldrenewing. All of these themes are clearly important to native Mesoamericans right up through the Colonial Period.