Winter solstice 2018: What is it and what makes this year so unique

You have probably heard of the winter solstice but if you don't know much about it, well, you may not even notice it.The winter solstice is an astronomical event that takes place every year on the Earth's tilt away from the sun. The winter solstice is simply a moment of time, astronomically speaking. This happens when the tilt of the North Pole is positioned the farthest away from the sun which then leads to less daylight in the Northern Hemisphere.
This year, the solstice occurs at 5:23 p.m. on