Counting the Heavens
Venus predicted to the day, across 584-day synodic cycles
Six pages of tables spanning 481 years — the longest astronomical calculation in any pre-Columbian manuscript.
The Tzolk'in 260-day count governed every ritual and planting
Thirteen numbers crossed with twenty day-names — a sacred interlocking calendar still observed in highland communities today.
Vigesimal arithmetic encoded in bars and dots — base twenty, not ten
One dot equals one, one bar equals five, and a shell glyph marks zero — a positional system that preceded European adoption by centuries.
Eclipse tables warned of lunar and solar obscurations months ahead
The serpent of darkness devouring the sun — pages 51 through 58 record 405 lunation intervals with remarkable precision.