What was the name of the Aztec “Binding of the Years” ceremony held every 52 years? Toxiuhmolpia was the Aztec “Binding of the Years,” the ceremony marking the completion of a 52-year calendar cycle.
The 52-year period was the Calendar Round, formed when the 260-day ritual calendar and the 365-day solar calendar returned to the same combination of day names and numbers. Because this coincidence was rare, the end of the cycle was treated as a moment of cosmic danger: people feared the sun might not rise again and that the world could end.
The ceremony is also known as the New Fire ceremony or xiuhmolpilli. Fires throughout the realm were extinguished, and priests traveled to Huixachtlan, now called the Cerro de la Estrella, near present-day Mexico City. After observing the Pleiades pass the zenith, priests kindled a new fire on the chest of a sacrificial victim and distributed the flame.
The ritual was not simply a calendar celebration. It symbolized the renewal of the sun, the world, household life, and the relationship between humans and the gods. Xiuhmolpilli and Toxiuhmolpilia are related forms of the ceremony’s Nahuatl name.