Here is an excellent explanation on the BBC news website of how days get shorter up to the Winter Solstice (tonight) – important for those of us who work outdoors:
http://www.bbc.co.uk/news/magazine-30549149
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Here is an excellent explanation on the BBC news website of how days get shorter up to the Winter Solstice (tonight) – important for those of us who work outdoors:
http://www.bbc.co.uk/news/magazine-30549149