It's on the 52nd week of the year and was on a Monday.
Thursday
New Year's Day is one week after Christmas Day.
Christmas 2003 was on a Thursday.
Christmas Day is great no matter what day of the week it falls on. When it is Christmas Day the day is completely different to any normal day of the week, so whatever day it is doesn't really matter.
Christmas Day 2010 is a Saturday.
Christmas Day will be on a Sunday in 2011.
Christmas Day will be on a Friday in 2020.
Christmas Day in 1981 was a Friday.
Christmas Day in 1940 was a Wednesday.
Christmas in 2003 was on a Thursday.
Christmas Day will be on a Wednesday in 2013.
In 1968 Christmas was on Wednesday.