The sun sets on 24 December at 3.55pm in the UK, and rises the following morning at 8.05am.
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US scientists calculated that Santa would have to visit 822 homes a second to deliver all the world's presents on Christmas Eve, travelling at 650 miles a second.
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Robins on cards were a joke 150 years ago when postmen wore red tunics and were named after them.
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The world's tallest Xmas tree at 221ft high was erected in a Washington shopping mall in 1950.
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In 1999, residents of the state of Maine in America built the world's biggest ever snowman. He stood at 113ft tall.
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In the Ukraine, if you find a spider web in the house on Christmas morning, it is believed to be a harbinger of good luck! There once lived a woman so poor, says a Ukrainian folk tale, that she could not afford Christmas decorations for her family. One Ch
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Electric lights for trees were first used in 1895.
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