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Tags Current Affairs

Winter solstice

Date: 24 December 2019 Tags: Geography & Environment


The Winter Solstice on 22nd December will be the shortest day of the year in the Northern Hemisphere. The length of the day will be little over 10 hours.



  • In the Southern Hemisphere, in contrary, December 22nd will be Summer Solstice. In places like Australia, New Zealand, or South Africa, December 22 is the year’s longest day.

  • This situation will be reversed six months from now , thus, on June 21, 2020, the Northern Hemisphere will see the Summer Solstice when the day will be the year’s longest. And the Southern Hemisphere will see the year’s shortest day  or longest night.

 Reason for solistices

  • The Earth’s axis of rotation is tilted at an angle of 23.5 degrees away from the perpendicular. This tilt  combined with factors such as Earth’s spin and orbit  leads to variations in the duration of Sunlight that any location on the planet receives on different days of the year.

  • The Northern Hemisphere spends half the year tilted in the direction of the Sun, getting direct sunlight during long summer days. During the other half of the year, it tilts away from the Sun, and the days are shorter.

  • Winter Solstice, December 21, is the day when the North Pole is most tilted away from the Sun.

  • The tilt is also responsible for the different seasons that we see on Earth. Day occurs on the side facing the Sun, and changes to night as Earth continues to spin on its axis.

  • On the Equator, day and night are equal. The closer one moves towards the poles, the more extreme the variation.

  • During summer in either hemisphere, that pole is tilted towards the Sun and the polar region receives 24 hours of daylight for months. Likewise, During winter, the region is in total darkness for months.

  • At latitudes of 23.5° (matching the tilt) are the Tropics of Cancer and Capricorn, north and south of the Equator. At 66.5° are the Arctic and Antarctic Circles, to the north and south. It is at latitudes higher than 66.5° (in either direction) that days of constant darkness or light occur.

Winter solstice daily current affairs 24 dec 19

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