winter solstice - shortest day of the year. December solstice illustration

winter solstice - shortest day of the year. December solstice illustration

"The December solstice marks the longest night in Northern Hemisphere and longest day in the Southern Hemisphere.  Celebration time!"

"The December solstice marks the longest night in Northern Hemisphere and longest day in the Southern Hemisphere. Celebration time!"

Sunlight on Earth, on the day of the winter solstice. The north polar region of Earth is in 24-hour darkness, while the south polar region is in 24-hour daylight.

Sunlight on Earth, on the day of the winter solstice. The north polar region of Earth is in 24-hour darkness, while the south polar region is in 24-hour daylight.

The Autumnal Equinox September 23 2015 Autumnal Equinox Facts      You often hear that days and nights are equal on the equinox. Except they're not: There's more minutes of sunshine than non-sun that day. That's because the thick air near the horizon bends the sun's image upward and gives each of us about six extra minutes of undeserved daily sunlight.     But those other equinox rumors are true. The sun really does rise and set precisely due east and due west that day. So it's a good time…

The Autumnal Equinox September 23 2015 Autumnal Equinox Facts You often hear that days and nights are equal on the equinox. Except they're not: There's more minutes of sunshine than non-sun that day. That's because the thick air near the horizon bends the sun's image upward and gives each of us about six extra minutes of undeserved daily sunlight. But those other equinox rumors are true. The sun really does rise and set precisely due east and due west that day. So it's a good time…

December solstice 2016 arrives on December 21 at 10:44 UTC. Whether it means winter or summer for you ... it's celebration time!

December solstice 2016 arrives on December 21 at 10:44 UTC. Whether it means winter or summer for you ... it's celebration time!

Colors of scintillating Venus | EarthSky 3/25/17 Venus reaches inferior conjunction today, officially leaving the evening sky. It has been low in the sky, where Earth’s atmosphere has caused Venus to scintillate, or twinkle, in many colors

Colors of scintillating Venus | EarthSky 3/25/17 Venus reaches inferior conjunction today, officially leaving the evening sky. It has been low in the sky, where Earth’s atmosphere has caused Venus to scintillate, or twinkle, in many colors

December solstice 2012: 21 Dec 11:12 (UTC)    Local Times for December Solstice worldwide

December solstice 2012: 21 Dec 11:12 (UTC) Local Times for December Solstice worldwide

This curved line is called an analemma.  It shows sun's declination - its annular distance from the celestial equator - and difference (in minutes) between time as measured by the clock and time as measured by the sun.  Click here to read more about this image.

This curved line is called an analemma. It shows sun's declination - its annular distance from the celestial equator - and difference (in minutes) between time as measured by the clock and time as measured by the sun. Click here to read more about this image.

December solstice 2016 arrives on December 21 at 10:44 UTC. High summer for the Southern Hemisphere. For the Northern Hemisphere, the return of more sunlight!

December solstice 2016 arrives on December 21 at 10:44 UTC. High summer for the Southern Hemisphere. For the Northern Hemisphere, the return of more sunlight!

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