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
Last Christmas as their B-side. The former entered the top 20 of the Oricon Singles Chart peaking at No. 15, while the latter reached No. 47. The single was reissued in 1993 on CD single in the country and peaked at No. 17, selling nearly 40,000 copies that week. As a result of the success, "Last Christmas" is amongst the ten best-selling singles of all time released by a non-Japanese act, with total sales of 683,000 units. In 2009, the song re-entered the Spanish Lista de Canciones (singles chart) at number 9. In Germany, the song is the most successful Christmas single