Meteorological winter begins on the first of December every
year and ends on the last day of February. Astronomical winter begins on the
shortest day of the year and ends somewhere around March 19. So no matter how
you look at it, by today winter has well and truly begun. Today the north pole
is tilted as far as it can be away from the sun, which means the sun is as
close to the horizon as it can get. This is the shortest day of the year, and
tonight will be the longest night. Of course, I’m only talking about the
northern hemisphere. If you’re lucky enough to live near the equator, your days
and nights are about twelve hours long regardless of the season. And if you
live in South Africa, Australia, New Zealand or Chile, today is your summer solstice – the longest
day of the year – and you have nothing but warm sunny days ahead.
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