The Aztec Sun Stone is a basalt disc about 3.6 m across, carved in Tenochtitlan in the early 1500s. It was buried after the Spanish conquest and rediscovered in Mexico City’s main square in 1790. It is now in the National Museum of Anthropology. Its central face is usually identified as the sun god Tonatiuh, surrounded by the symbols of the four earlier world ages and the twenty day signs of the Aztec calendar. It has become one of the best-known symbols of Mexico.










