Source A: Excerpt from a Maya codex:

'The Maya developed a complex calendar system that combined religious rituals with astronomical observations. Their calendar consisted of several cycles, including the Tzolk'in and Haab', which together formed the Calendar Round.'

Provenance: Ancient Maya codex, 9th century AD.

Source B: Maya astronomers at work:

'The Maya observed the movements of planets, stars, and the sun to create a calendar that could predict celestial events. This was vital for scheduling religious festivals and agricultural activities.'

Provenance: Archaeological reconstruction based on Maya inscriptions.

Source C: Maya inscriptions predicting eclipses:

'The Maya inscriptions accurately record astronomical phenomena, which allowed them to plan important events and rituals.'

Provenance: Inscriptions from a Maya temple, 8th century AD.

Reflect on how the development of the Maya calendar was both a cause and a consequence of their society's advancements in astronomy, religion, and agriculture. Consider how this complex calendar system affected their daily lives and worldview.