Christmas Price Index chose the items in the popular Christmas carol "The Twelve Days of Christmas" as its market basket: a partridge in a pear tree, two turtle doves, three French hens, four calling birds, five gold(en) rings, six geese, seven swans, eight maids, nine dancing ladies, ten leaping lords, eleven pipers, and twelve drummers. According to tradition, the purchasing of the items begins on December 26 and ends on January 6. PNC compiles both a "Christmas Price Index" and "The True Cost of Christmas." The "Christmas Price Index" is calculated by adding the cost of the items in the song. The "True
Twelve Days of Christmas steps that Jesus took into the Jordan River were the first steps on the way to the Cross. That night the All-Night Vigil is served for the Feast of the Theophany. Within the Twelve Days of Christmas, there are celebrations both secular and religious. Christmas Day, if it is considered to be part of the Twelve Days of Christmas and not as the day preceding the Twelve Days, is celebrated by Christians as the liturgical feast of the Nativity of the Lord. It is a public holiday in many nations, including some where the majority of the population is not