New Year's Eve

: having recently come into existence : recent, modern

: having been seen, used, or known for a short time : novel

: unfamiliar

: newly, recently

: the period of about 365¹/₄ solar days required for one revolution of the earth around the sun

: the time required for the apparent sun to return to an arbitrary fixed or moving reference point in the sky

: the time in which a planet completes a revolution about the sun

: evening

: the evening or the day before a special day

: the period immediately preceding

: the first woman, the wife of Adam, and the mother of Cain and Abel