20 December -- O Clavis David
. . . and the explication is here.
(And it's also the feast of a saint little-known outside Ireland, St Fachtna or Fachanan. Wikipedia lists him here but doesn't give much in the way of information, not even the odd pious legend, of which you are no doubt aware I am inordinately fond. Even the good old Catholic Encyclopædia comes up short.)
<< Home