Original sentence: It is now observed on the Sunday between Christmas and New Year's Day, in the Octave of Christmas; when no such Sunday exists, because both December 25 and the ensuing January 1 are Sundays, it is held on December 30, a Friday in such years.The feast is not a holy day of obligation, but the obligation to attend Mass holds for the Sunday on which it falls, as happens for other feasts and solemnities that happen to be celebrated on a Sunday.The feast of the Holy Family was instituted by Pope Leo XIII in 1893 and until January 1969 was celebrated on the Sunday within the Octave of the Epiphany; that is to say, on the Sunday between January 7 through January 13, all inclusive (see General Roman Calendar of 1962).When the Feast of the Holy Family was moved to its present date, its previous place in the calendar was taken by the Feast of the Baptism of the Lord
Edited sentence: The Feast of the Baptism of the Lord now occupies the day traditionally held by the Feast of the Holy Family.The feast of the Holy Family was instituted by Pope Leo XIII in 1893 on the Sunday within the Octave of the Epiphany; that is to say, on the Sunday between January 7 through January 13, all inclusive (see General Roman Calendar of 1962).The latest 1962 edition of the traditional Roman Missal continues the celebration of this feast on its originally appointed day.Under the calendar of the Mass of Paul VI, the feast was moved to the Sunday between Christmas and New Year's Day, in the Octave of Christmas; when no such Sunday exists, because both December 25 and the ensuing January 1 are Sundays, it is held on December 30, a Friday in such years.Under the new calendar, the feast is not a holy day of obligation, but the obligation to attend Mass holds for the Sunday on which it falls, as happens for other feasts and solemnities that happen to be celebrated on a Sunday.Under the traditional calendar, the feast always falls on a Sunday, and is always a holy day of obligation