Dog (Itzcuintli)

Itzcuintli, the dog, carries one of the tonalpohualli's most concrete ritual associations: the dog was buried alongside the dead to carry them over the nine rivers of Mictlan, the underworld, and the day sign binds the living directly to that same underworld journey every soul was expected to face. Despite this close connection to death's passage, the sign's auguries themselves read warm: Sahagun records the dog days as generous and fortunate, days of hospitality and of those who give feasts, a favourable reading that draws on the dog's equally well attested role as a loyal companion in life rather than only its funerary duty. This combination, a sign bound to death's crossing yet read as generous and hospitable in ordinary life, reflects a broader pattern in Nahua thought that did not treat mortality as something to be read only darkly, since the dog's guidance made death survivable in the same way Cuetzpalin's regrowth made injury survivable elsewhere in the count.

Itzcuintli opens its own trecena, Trecena 14, where the same generous, feast giving character governs the whole thirteen day week under the patronage of Xipe Totec, the flayed lord of spring renewal. Mictlantecuhtli's own consort Mictecacihuatl shared his rule over the dead the dog was buried to guide, and Sahagun's account of the funerary provisions bound with a body, food, cloth and the dog itself, treated the whole underworld journey as a real logistical undertaking rather than a purely symbolic one.

Itzcuintli's patron is Mictlantecuhtli, the skeletal lord of Mictlan, a pairing of exact fit between day sign and governing deity, since the dog's funerary role of guiding the dead directly serves the underworld lord's own domain, one of the clearest and least ambiguous patron matches in the whole twenty sign count. Its direction is north, shared with Ehecatl, Miquiztli, Ocelotl and Tecpatl in the four direction rotation's recurring second station. Itzcuintli is not a year bearer, sitting two places on from Calli at three and three short of Tochtli at eight, outside the spacing that defines the four year bearer signs. Mictlantecuhtli's patronage here as day sign governor is a separate office from his standing as the fifth and central of the nine Lords of the Night, a numeric placement earlier commentary on the night lord sequence has read as fitting for the death lord to occupy the rotation's midpoint, so the underworld lord holds two distinct posts within the tonalpohualli's several registers, both concerned with death and the underworld but assigned independently by the surviving codices rather than treated as a single combined role.

The Legend of the Five Suns names Mictlantecuhtli as the keeper who very nearly prevented Quetzalcoatl from carrying the bones of earlier human generations out of Mictlan, a myth that makes the underworld lord's patronage of the dog, the animal whose whole role is to help a soul complete that same crossing, read as a fittingly watchful pairing.