The definition of a white Christmas in the UK is for a single snow flake (perhaps amongst a shower of mixed rain and snow) to be observed falling in the 24 hours of December 25th.
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The sun sets on 24 December at 3.55pm in the UK, and rises the following morning at 8.05am.
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In Greek legend, malicious creatures called Kallikantzaroi sometimes play troublesome pranks at Christmas time. In order to get rid of them, salt or an old shoe is burnt. The pungent burning stench drives off, or at least helps discourage, the Kallikantza
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Many theologians estimate that Jesus wasn't born on December 25 but sometime in September between 6BC and 30AD.
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The abbreviation Xmas isn't irreligious. The letter X is a Greek abbreviation for Christ.
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Black Friday in the UK is the Friday before Christmas. Instead of shopping, many people get very drunk!
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Gold-wrapped chocolate coins commemorate St Nicholas who gave bags of gold coins to the poor.
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