Feast of the Circumcision of Christ to be celebrated simply as the octave day of Christmas, the "eighth day" on which, according to , the child was circumcised and given the name Jesus. In the 13th or 14th century 1 January began to be celebrated in Rome, as already in Spain and Gaul, as the feast of the Circumcision of the Lord and the Octave of the Nativity, while still oriented towards Mary and Christmas. The emphasis that Saint Bernardine of Siena (1380–1444) laid on the name of Jesus in his preaching led in 1721 to the institution of a separate Feast of the Holy Name
Moveable feast Moveable feast A moveable feast or movable feast is an observance in a Christian liturgical calendar that occurs on a different date (relative to the dominant civil or solar calendar) in different years. The most important set of moveable feasts are a fixed number of days before or after Easter Sunday, which varies by 35 days since it depends partly on the phase of the moon and must be computed each year. In Eastern Christianity (including the Eastern Orthodox Church, the Oriental Orthodox Churches, the Assyrian Church of the East, and the Eastern Catholic Churches), these moveable feasts form what