“The North Pole is tilted furthest away from the Sun at the December solstice.”
(Not to scale) Photo credit: TimeandDate.com
– WINTER begins December 21st at 8:27AM PST
“It is the winter solstice in the Northern Hemisphere, where it is the shortest day of the year.
In the Southern Hemisphere, it is the summer solstice and the longest day of the year.
December Solstice in Yelm, Washington, U.S.A. is on Thursday, December 21, 2017 at 8:27AM PST,” quoting TimeandDate.com.