June 21 is the summer solstice in the Northern Hemisphere.
This day is celebrated as International Yoga Day.
Today Current Affairs
Summer solstice
Solitude is a Latin word which means “Stalled Sun”. It is a natural phenomenon that occurs twice a year in each hemisphere of the Earth, once in summer and once in winter. Which are called summer solstice and winter solstice respectively.
It is the longest day and shortest night of the year in the Northern Hemisphere.
During this time the countries of the Northern Hemisphere are closest to the Sun and the Sun shines upwards at the Tropic of Cancer (23.5° North). The Hindu Analysis
Tropics of Cancer and Capricorn are located north and south of the equator at latitudes of 23.5°.
At 66.5° to the north and south are the Arctic and Antarctic circles.
Latitude is the measure of the distance of a place from the equator.
Earth’s axis around which the planet completes one revolution during solstice. It is tilted in such a way that the North Pole is tilted towards the Sun and the South Pole is located away from it.
Typically, this imaginary axis passes through the center of the Earth from top to bottom and is always tilted 23.5º with respect to the Sun.
Excess amount of energy : The Hindu Analysis
High amount of energy received from the sun is the specialty of this day. According to NASA (National Aeronautics and Space Administration), the amount of energy the Earth receives from the Sun on this day is 30% more at the North Pole than at the equator. The Hindu Analysis
The maximum amount of sunlight received by the Northern Hemisphere during this time is usually on June 20, 21 or 22. In contrast, the Southern Hemisphere receives the most sunlight on December 21, 22, or 23, when the Northern Hemisphere has the longest nights.
Geography behind Sankranti : The Hindu Analysis
Behind this is the changing length of the days due to the tilt of the Earth.
Earth’s axis of rotation is inclined at an angle of 23.5° to its orbital plane. This inclination, along with factors such as Earth’s orbit and orbit, leads to variations in the duration of sunlight, due to which any location on the planet receives different days’ duration. The Hindu Analysis
The northern hemisphere spends half the year tilted towards the Sun, receiving direct sunlight during long summer days. During the second half of the year, it tilts away from the Sun, and the days are shorter.
Tilt is also responsible for different seasons on Earth. Due to this phenomenon, the movement of the Sun from northern to southern hemisphere and vice versa brings about seasonal changes in the year.
Equinox : The Hindu Analysis
Twice a year during the equinoxes (“equal days/nights”) the Earth’s axis is not toward our Sun, but perpendicular to the incoming rays.
This results in day and night of “nearly” equal duration at all latitudes.
The Spring Equinox occurs on March 20 or 21 in the Northern Hemisphere. The autumnal equinox occurs in the northern hemisphere on September 22 or 23.
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