The Aztec zodiac signs are determined by the Tonalpohualli, a sacred calendar consisting of 260 days. Each day is associated with a glyph and number , which influence a person’s personality and ...

In fact, until recently, scholars had yet to even decipher why the Aztec New Year began when it did — Feb. 23 on the Gregorian calendar, which is used today by Western cultures. “That was a conundrum ...

“This long stone causeway aligns with the sun exactly on Feb. 23, or Feb. 24, with a little variation from one year to the next, which is exactly the time in which the Aztec calendar started ...

The Aztec Calendar, known as Stone of the Sun Credit: De Agostini Editorial The stone was originally positioned facing upwards at an unknown location in the city and was painted in bright colours.

A sacred location. Templo Mayor, also known as the Great Temple, was a massive, pyramid-shaped structure that stood in the center of Tenochtitlán and was the heart of Aztec religion and culture.