Genre: 
Full text: 
Testatur hoc praesens dies currens per anni circulum quod solus e sinu patris mundi salus adveneris
Fulltext source: 
https://www.preces-latinae.org/thesaurus/Hymni/ChristeRedOmn.html
Notes: 
Urban VIII revision (1632 breviary); cf. verses of 008277 for an earlier standard version