The aztecs adopted which aspect of maya civilization?

The Aztecs adopted the stone calendar from the Maya civilization. This calendar was adopted by other Mesoamerican nations like the Toltec and the Aztecs. The stone calendar was a 365-day agricultural calendar. It was a calendar of complete complexity and accuracy. It uses 3 different dating systems; the divine calendar( Tzolkin), the Long Court and the civil calendar(Haab).