Christmas Eve for the year 2015 is celebrated/ observed on Thursday, December 24th.
Christmas Eve also called Christmas Vigil, Day before Christmas, and Night before Christmas falls on December 24th each year the day before Christmas Day. For Christians the birth of Jesus (Christmas Day) is one of the most important celebrations of the year with the evening before celebrated as part of the overall celebration of the birth of Jesus Christ.
Days to Christmas Eve 2015
Thursday, December 24th is day number 358 of the 2015 calendar year with -4 years, -6 months, -21 days until Christmas Eve 2015.