Winter Solstice this Saturday!

TUCSON - Winter officially begins this Saturday at exactly 9:19 PM! It is also the shortest day of the year clocking in only 10 hours, 2 minutes, and 17 seconds.
The Winter Solstice marks the beginning of winter but what is it exactly? It all stems from Earth's 23.5° tilt on its axis. That tilt is the cause of our four seasons!
During the Winter Solstice the Northern Hemisphere is tilted away from the sun, hence shorter days and longer nights. It's the opposite in the Southern Hemisphere whe