Christmas, Christian festival celebrating the birth of Jesus. The English term Christmas (“mass on Christ’s day”) is of fairly recent origin. The earlier term Yule may have derived from the Germanic jōl or the Anglo-Saxon geōl, which referred to the feast of the winter solstice. The corresponding terms in other languages—Navidad in Spanish, Natale in Italian, Noël in French—all probably denote nativity. The German word Weihnachten denotes “hallowed night.” Since the early 20th century, Christmas has also been a secular family holiday, observed by Christians and non-Christians alike, devoid of Christian elements, and marked by an increasingly elaborate exchange of gifts. In this secular Christmas celebration, a mythical figure named Santa Claus plays the pivotal role. Christmas is celebrated on Saturday, December 25, 2021.

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Origin and development
The early Christian community distinguished between the identification of the date of Jesus’ birth and the liturgical celebration of that event. The actual observance of the day of Jesus’ birth was long in coming. In particular, during the first two centuries of Christianity there was strong opposition to recognizing birthdays of martyrs or, for that matter, of Jesus. Numerous Church Fathers offered sarcastic comments about the pagan custom of celebrating birthdays when, in fact, saints and martyrs should be honoured on the days of their martyrdom—their true “birthdays,” from the church’s perspective.

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.[4] Christmas Day is observed around the world, and Christmas Eve is widely observed as a full or partial holiday in anticipation of Christmas Day. Together, both days are considered one of the most culturally significant celebrations in Christendom and Western society.

Christmas celebrations in the denominations of Western Christianity have long begun on Christmas Eve, due in part to the Christian liturgical day starting at sunset,[5] a practice inherited from Jewish tradition[6] and based on the story of Creation in the Book of Genesis: “And there was evening, and there was morning – the first day.”[7] Many churches still ring their church bells and hold prayers in the evening; for example, the Nordic Lutheran churches.[8] Since tradition holds that Jesus was born at night (based in Luke 2:6-8), Midnight Mass is celebrated on Christmas Eve, traditionally at midnight, in commemoration of his birth.[9] The idea of Jesus being born at night is reflected in the fact that Christmas Eve is referred to as Heilige Nacht (Holy Night) in German, Nochebuena (the Good Night) in Spanish and similarly in other expressions of Christmas spirituality, such as the song “Silent Night, Holy Night”.

Many other varying cultural traditions and experiences are also associated with Christmas Eve around the world, including the gathering of family and friends, the singing of Christmas carols, the illumination and enjoyment of Christmas lights, trees, and other decorations, the wrapping, exchange and opening of gifts, and general preparation for Christmas Day. Legendary Christmas gift-bearing figures including Santa Claus, Father Christmas, Christkind, and Saint Nicholas are also often said to depart for their annual journey to deliver presents to children around the world on Christmas Eve, although until the Protestant introduction of Christkind in 16th-century Europe,[10] such figures were said to instead deliver presents on the eve of Saint Nicholas’ feast day (6 December).