Winter season is going on in India and the days have become shorter but today i.e. 22nd December will be the shortest day of the year. And tonight will be the longest night. Actually, in the language of geography, it is called Winter Solstice. So let us know why today 22nd December will be the shortest day of the year.
How does the weather change on Earth?
Our Earth is tilted on its axis at an angle of 23.5 degrees from the vertical. Due to this inclination and rotation around the Sun, the weather on Earth changes and the length of the day also varies at every place. Due to the rotation of the Sun, when the Northern Hemisphere of the Earth is inclined towards the Sun for six months, the Sun's rays fall directly on it and at that time it is summer season in the countries located in the Northern Hemisphere and the days are longer. Are. At the same time, the sun's rays fall obliquely on the Southern Hemisphere, due to which there is cold weather there and the days are short.
what is the winter solstice?
Every year on 21 or 22 December, the sun's rays fall directly on the Tropic of Capricorn located in the southern hemisphere. Due to this, the Northern Hemisphere is furthest from the Sun, and due to this, there is a cold season in the Northern Hemisphere at this time and it is the shortest day of the year. This is called Winter Solstice and on this day the day in the Northern Hemisphere is 10 hours 19 minutes. On June 21, the sun's rays are perpendicular to the Tropic of Cancer located in the Northern Hemisphere. Because of this, it is summer season in the Northern Hemisphere at that time and that day is the longest day of the year. This is called Summer Solstice.
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