Nox praecessit dies autem

Source: 
Rome, Santa Sabina, XIV L1 ("Humbert" codex)
Folio: 
231r
Sequence: 
9
Feast: 
Dom. 1 Adventus
Office/Mass: 
M
Genre: 
A
Position: 
3.
Cantus ID: 
003967
Mode: 
4
Differentia: 
E
Manuscript Reading Full Text (standardized spelling): 
Nox praecessit dies autem appropinquavit abiciamus ergo opera tenebrarum et induamur arma lucis sicut in die honeste ambulemus