xmas day
Xmas, Christmas Eve, Christmastime, Christmas Day.
The noun 'Christmas' is an abstract noun, a word for a concept.The noun Christmas is a word for a specific day of the year. The word day is a word for time. Time is a concept.
Yes because the word "Christmas" gives it its importance, just like capitalizing the "day" in Valentine's Day.
January 6th is Old Christmas Day. Old Christmas Day is another name for Little Christmas. Many different countries have different names for Little Christmas or Old Christmas Day.
birthday
Your mom what about you
Yuletide
Yule is another word for Christmas time. Yule-Tide Carols, or the Yule Log... etc
Another word for a sunny day is a "Dirty Sachez".
Are you looking for the word "Nativity"? That's one, I hope it helps.
"Noon" is another word for the middle of the day.
Stay Another Day