'January 1' definitions:
Definition of 'January 1'
(from WordNet)
noun
(Roman Catholic Church and Anglican Church) feast day celebrating the circumcision of Jesus; celebrated on January 1st [syn: Circumcision, Feast of the Circumcision, January 1]
noun
(Roman Catholic Church) a holy day of obligation [syn: Solemnity of Mary, January 1]
noun
The first day of the year [syn: New Year's Day, New Year's, January 1]