Tonalpohualli
A Nahua/Mexica calendar, education, and software project from IndigiNerd.
Tonalpohualli explores the sacred 260-day count through day signs, numbers, birth imprint, calendar structure, Nahuatl math, source-aware citations, and modern digital tools.
Today’s Tonalli
Discover the current Tonalli within the 260-day Tonalpohualli calendar. Each day carries distinct qualities, energies, and relationships within the Nahua sacred count.
Birth Imprint
Explore the Tonalli present on your birth date and learn how it may shape spiritual imprint, character, and life path according to Nahua cosmology.
Sacred Loom
Understand how the 20 day signs and 13 numbers interweave to form the 260-day cycle. The Sacred Loom reveals the mathematical and symbolic structure of the Tonalpohualli.
Learn Library
Access educational resources explaining Nahua worldview, calendrical structure, terminology, day signs, numbers, and respectful cultural context.
Source-Aware Citations
Interpretations are grounded in available codices, ethnohistorical sources, and contemporary Indigenous scholarship. Citations support transparency, respectful learning, and continued research.
Native Not American 