New Delhi: Earth It is slightly tilted on its axis, due to which different parts of it receive unequal amounts of sunlight during different times of the year as the planet revolves around the yellow star.
What if our Earth was not tilted like this?
There will be no seasons. The Sun will always be just above the equator, and each location will receive a certain amount of sunlight.
However, these are the days when the Sun is visible just above the equator. And when this happens, we get a day and a night of approximately equal length – that is, about 12 hours. This celestial event is known as the equinox – a mixture of Of two Latin words: aequus (equal) and nox (night).
Responsible for the change of seasons on earth, aThe n equinox occurs twice a year – once in spring and once in autumn.
In the Northern Hemisphere, the vernal equinox occurs in March (March 20 or 21) and the autumnal equinox occurs in September (September 22 or 23).
The seasons reverse in the Southern Hemisphere. When it is the spring equinox in the Northern Hemisphere, the date marks the autumnal equinox in the Southern Hemisphere, and vice versa.
We move into winter after the autumnal equinox as the days get shorter and the nights longer.
When is the Autumnal Equinox 2021 in India?
India is part of the Northern Hemisphere and this year Thursday, September 23 will mark the autumnal equinox.
NS equinox sunrise Sunset is likely at 06:09 am and sunset at 06:16 pm, and the length of the day will be 12 hours, 06 minutes and 34 seconds.
After Thursday, the days will start getting shorter. For example, the length of the day on Friday, September 24 would be 12 hours, 04 minutes, and 52 seconds.
about 67.3 percent Earth’s landmass is located in the Northern Hemisphere, which includes the entirety of North America, Central America, and Europe, in addition to the northern part of South America, major parts of mainland Asia and about two-thirds of North Africa.
In the Northern Hemisphere it is summer from June to September and winter from December to March.
Equinox Celebrations Around the World
The September equinox is celebrated in different ways around the world.
The full moon around the autumnal equinox is celebrated as the Harvest Moon, which is considered the brightest and biggest full moon of the year.
The festive season begins with the Harvest Moon.
In India, this full moon is known as Bhadrapada Purnima, which will be celebrated on 20 September. it marks the beginning of the day PitripakshaThe fortnight when ancestors are remembered and worshipped.
In many countries in the Northern Hemisphere, the Harvest Moon coincides with the fall season and sees traditional festivities.
The Zhongqiu Ji, or Mid-Autumn Festival, also known as the Moon Festival, has been celebrated for centuries by China around this time. Koreans celebrate a similar festival called Chuseok.
In Europe, people welcome the September equinox with song and music. London usually sees people meeting on Primrose Hill to start the new season.
The Chumash, a Native American tribe in Southern California, celebrate the Hutash, while Japan celebrates the equinox day as Higan, which is a public holiday.
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