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Wednesday, December 21, 2011
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The tip of Earth's axis causes the northern hemisphere in winter to face away from the sun and toward it in summer. Credit: NASA |
The first day of winter or the December solstice marks the longest night and shortest day of the year when the sun's daily maximum elevation in the sky is the lowest.
Depending on the shift of the calendar, the winter solstice usually occurs on December 21 to 23 each year in the Northern Hemisphere, and June 20 to 23 in the Southern Hemisphere.
Depending on the shift of the calendar, the winter solstice usually occurs on December 21 to 23 each year in the Northern Hemisphere, and June 20 to 23 in the Southern Hemisphere.
Winter Solstice celebrates the birth of the new Solar year and the beginning of winter. Cultures around the world have had celebrations of rebirth for centuries at this time of year.
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