I don't have Christmas Eve day as a vacation day but I do have it in my contract that I reserve the right to close early on any eve of a Stat such as Christmas Eve or before Good Friday to facilitate family plans. Christmas Eve being the big one since we are involved with services at church and that sometimes means the kids were in dramas or choir, etc so needed to be there early but also we have travelled to visit family for Easter and left the day before. If we leave by mid afternoon we can still be there by midnight.