White Christmas (weather) by Bing Crosby from the film "Holiday Inn", is the best-selling single of all time and speaks nostalgically of a traditional white Christmas. The definition of "white Christmas" varies. In most countries, it simply means that the ground is covered by snow at Christmas, but some countries have more strict definitions. In the United States, the official definition of a white Christmas is that there has to be a snow depth of at least at 7:00 a.m. local time on Christmas morning, and in Canada the official definition is that there has to be more than on the ground on
White Christmas (film) screen, has made it possible to endow "White Christmas" with a fine pictorial quality. The colors on the big screen are rich and luminous, the images are clear and sharp, and rapid movements are got without blurring—or very little—such as sometimes is seen on other large screens. Director Michael Curtiz has made his picture look good. It is too bad that it doesn’t hit the eardrums and the funnybone with equal force." "Variety" liked it: ""White Christmas" should be a natural at the boxoffice, introducing as it does Paramount’s new VistaVision system with such a hot combination as Bing Crosby,