Morley's Introduction to the study of the Maya hieroglyphs
Fig. 21 Diagram showing engagement of tzolk’in wheel of 260 days (A) -- [here labeled with the Aztec term tonamalatl] -- and haab wheel of 365 positions (B); the combination of the two giving the Calendar Round, or 52-year period.
More Exhibit Items
One dot for one year; one line for five years