Winter solstice 2016: What time and when does the shortest day of the year occur?
he December solstice happens at the same instant for all of us, everywhere on Earth. This year the solstice occurs on Wednesday December 21st at 10:44 GMT (Universal time).
The winter solstice happens every year when the Sun reaches its most southerly declination of -23.5 degrees. In other words, when the North Pole is tilted farthest – 23.5 degrees – away from the Sun, delivering the fewest hours of sunlight of the year.
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