
The tonalpohualli, a 260-day calendar, combined with the 365-day xiuhpohualli, formed the basis of the Mesoamerican calendrical system. Each day within this system held a specific energy and was associated with a... Read more »

The Mexica, commonly known as the Aztecs, developed a sophisticated system of astrology deeply intertwined with their cosmology and daily life. This system, based on a 260-day calendar called the tonalpohualli, combined... Read more »