This text gets read at Prime this morning in the Extraordinary Form of the Office. There is no Prime in the Little Office of Paul VI (let the Reader Understand), so it doesn't get read mostly, although it gets plopped in a la carte in where it might go sometimes.
December 25th anno Domini 2018 The 18th Day of Moon
In the year 5199th from the creation of the world, when in the beginning God created the heavens and the earth, in the year 2957th from the flood, in the year 2015th from the birth of Abraham, in the year 1510th from the going forth of the people of Israel out of Egypt under Moses, in the year 1032th from the anointing of David as King, in the 65th week according to the prophecy of Daniel, in the 194th Olympiad, in the 752nd from the foundation of the city of Rome, in the 42nd year of the reign of the Emperor Octavian Augustus, in the 6th age of the world, while the whole earth was at peace, Jesus Christ, Himself Eternal God and Son of the Eternal Father, being pleased to hallow the world by His most gracious coming, having been conceived of the Holy Ghost, and when nine months were passed after His conception, (all kneel down) was born of the Virgin Mary at Bethlehem of Juda made Man, (sung loudly, in the the tone of the Passion) Our Lord Jesus Christ was born according to the flesh.
Octavo Kalendas Ianuarii Luna duodevicesima Anno 2018 Domini
Anno a creatióne mundi, quando in princípio Deus creávit cælum et terram, quinquiés millésimo centésimo nonagésimo nono; a dilúvio autem, anno bis millésimo nongentésimo quinquagésimo séptimo; a nativitáte Abrahæ, anno bis millésimo quintodécimo; a Móyse et egréssu pópuli Israel de Ægýpto, anno millésimo quingentésimo décimo; ab unctióne David in Regem, anno millésimo trigésimo secúndo; Hebdómada sexagésima quinta, iuxta Daniélis prophétiam; Olympíade centésima nonagésima quarta; ab urbe Roma cóndita, anno septingentésimo quinquagésimo secúndo; anno Impérii Octaviáni Augústi quadragésimo secúndo, toto Orbe in pace compósito, sexta mundi ætáte, Iesus Christus, ætérnus Deus æterníque Patris Fílius, mundum volens advéntu suo piíssimo consecráre, de Spíritu Sancto concéptus, novémque post conceptiónem decúrsis ménsibus (Hic vox elevatur, et omnes genua flectunt), in Béthlehem Iudæ náscitur ex María Vírgine factus Homo. (Hic autem in priori voce dicitur, et in tono passionis:) Natívitas Dómini nostri Iesu Christi secúndum carnem.