Tonalpowalli-Se:
The 20 Forces of Life
An introductory course that explores the ancestral wisdom of Indigenous Mexico through the study of the Tonalpowalli, the 260-day sacred calendar. Together, we will learn about its 20 day signs and how they represent the natural forces that shape and guide life on earth.
Throughout the course, we will:
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Examine 20 Teteoh — generative powers/deities/numens — from an archetypal and psychological perspective, exploring how they manifest as natural phenomena and inner qualities.
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Learn the foundations of these 20 day signs, including the sacred animals of Mexican spirituality, and how to embody their essential attributes in daily life.
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Bridge ancient Mesoamerican cosmology with contemporary spiritual and psychological understanding revealing the cycles of time, nature, and consciousness as mirrors of the self and pathways to balance and transformation.
Advancement on the Tonalpowalli Path
Advancement on the Tonalpowalli Path
Participants seeking a certificate of completion must enroll in the full series, attend at least 6 live sessions, and successfully complete the final evaluation scheduled for the week of March 16–20, 2026.
Completion of the full Tonalpowalli-Se course, with a passed evaluation is a prerequisite for enrolling in the advanced course, Tonalpowalli-Ome. The knowledge and insights gained in Tonalpowalli-Se will provide a solid foundation for the deeper exploration and understanding offered in Tonalpowalli-Ome, the next level of this spiritual journey.
✺ Course Schedule ✺
Dates: November 16 – December 21, 2025
Meeting Times: Sundays (1030a–12p) and Wednesdays (7–9p)
11 sessions
One recorded lecture will be shared on December 3
A special in-person workshop will be held on Sunday, December 7 (10:30a–12p)
The course concludes with a final reflection on December 21st, 2025
✺ Contribution / Cooperación ✺
Sliding scale: $20–30 per session or a commitment of $160–300 for the full series.
Only participants who enroll in and complete the full series will be eligible to receive a certificate of completion, awarded upon passing the final evaluation (scheduled for the week of March 16–20, 2026)
If cost is a barrier, please reach out — alternative forms of exchange are always welcome.
✺ Additional Details ✺
Video recordings will be available only to participants who miss live sessions, with a limit of up to five recordings per participant, accessible for a limited time before the final evaluation.
Course Material: The Codex Borgia: A Full-Color Restoration of the Ancient Mexican Manuscript by Gisele Díaz and Alan Rodgers will be the primary text for this course.
Instructor: Izayotilmahtzin Mazehualli
Disclaimer: Please note that the information provided in this course is based on the instructor's interpretation of philosophical concepts. While every effort has been made to ensure accuracy and comprehensiveness, this course is not intended to provide a definitive or exhaustive treatment of any particular Mesoamerican topic. Participants are encouraged to engage in further research and study beyond the scope of this course. The instructor assumes no responsibility for any consequences that may arise from the use or application of the information provided. By enrolling in this course, participants acknowledge and agree that the instructor's interpretations are subject to debate and disagreement within the broader philosophical community, and that individual perspectives may differ. All materials provided in the course are protected by intellectual property laws, and participants may not reproduce or distribute them without permission by the instructor.