when was last time christmas was on a sunday

Christmas was last on a Sunday in 2011, and it will not occur again until 2029. Christmas can fall on any day of the week, and in the Gregorian calendar, it is observed on December 25th each year. The last time Christmas fell on a Sunday was in 2011, and the next time it will fall on a Sunday is in 2029, which will be the third Sunday of December. This pattern of Christmas falling on different days of the week will continue to repeat itself in the future, as the Gregorian calendar follows a 40