Kalendis Januarii
Re síl dálach dóine
tóided in rí remain
luid fo recht, ard eráil
Críst i callaind enair.

Before men's multitudinous race
let the pre-eminent King lead !
Christ on January's calends underwent
the Law, high the requirement.
(Stokes 1905)

Circumcision of Christ from the Menologion of Basil II, AD979-84AD, f. 287