It uses the plural form as the celebration lasts for a nine-day interval (called the novena) during the Christmas season, which represents the nine-month pregnancy[3][4] of Mary, the mother of Jesus Christ.
Many Mexican holidays include dramatizations of original events, a tradition which has its roots in the ritual of Bible plays used to teach religious doctrine to a largely illiterate population in 10th- and 11th-century Europe.
The plays lost favor with the Church and were eventually banned as they became popular through the addition of folk music and other non-religious elements; they were reintroduced in the 16th century by two Spanish saints[who?]
[3] Two people dress up as Mary and Joseph and certain houses are designated to be "inns"; the head of the procession carries a candle inside a paper shade.
At each house, the resident responds by singing a song and the pair are recognized and allowed to enter; the group of guests come into the home and kneel around the Nativity scene to pray (typically, the Rosary).
[14] In the Philippines, the tradition of Las Posadas is illustrated by the Panunulúyan pageant; sometimes it is performed immediately before the Misa de Gallo (Midnight Mass) and sometimes on each of the nine nights.
Around 6:00 PM more fireworks announce the time when adults and children go out around their neighborhoods or towns with burlap sacks in hand visiting different altars while caroling the Virgin Mary.
The tradition began in the 19th century by Father Francisco Vigil de Quiñones, the priest of the Grand Cathedral of Remedios, in order to get the people to go to midnight masses the week before Christmas; he had the idea to put together groups of children and provide them with jars, plates, and spoons so they could run around the village making noise and singing verses.