Characteristic of this system is the cyclical nature, with the Mayan calendar featuring three common cycles: the Long Count, Tzolk’in (260-day) and the 365-day, solar-based Haab’. Combined ...

For example, the Babylonians used a luni-solar year while the Egyptians used a lunar year, although they both were still off. However, the Mayan calendar was ahead of its time in its calculations.

Characteristic of this system is the cyclical nature, with the Mayan calendar featuring three common cycles: the Long Count, Tzolk’in (260-day) and the 365-day, solar-based Haab’. Combined ...

From these observations, they created a complex calendar system to regulate ... interpretations and provide evidence that the Maya could predict solar eclipses. From the codex's astronomical ...