Equinox in the northern hemisphere: the world is preparing for the descent of the snake to Chichen Itza – 20/03/2019

As every year, with the arrival of equinox of spring in the northern hemisphere, the esplanade in front of the Great Pyramid of Kukulkan, in the Mayan city of Chichen Itza, Mexico, is full of people who come to contemplate there "the descent of the snake"

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March 21, for about five hours – this phenomenon is repeated at the autumnal equinox, September 22 – produces a hypnotic game of light and shadow, an optical illusion that lets you see how, sinuously, the body of a snake crawls from the top of the pyramid up to the head of the feathered serpent -or Kulkulkan- who is in the base.

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It was believed that the feathered serpent – known as Quetzalcoatl in the mythology of central Mexico – was the one that gave the Mayan Calendar to men.

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What is happening on March 21st

A few hours before sunset, all spectators are alert to the appearance of this form of wavy light that forms a total of seven isosceles triangles that seem to have a life of their own.

Just at the equinox – when the sun is above the equator and that day lasts like night – the shadow of the snake ends up forming on the north staircase little of time before sunset (around 20 hours). Argentina).

The pyramid of Kukulkan

The pyramid is actually a giant calendar that it indicates the changes of position, the pbadage of days and demonstrates the deep knowledge of mathematics, geometry and astronomy that possessed the Maya.

On the other hand, it also has symbolisms that hint at the most important numbers used in the Haab calendar (agricultural solar calendar), the Tzolkin calendar (sacred calendar) and the calendar wheel. The alignment of the construction of the pyramid makes it possible to observe these phenomena of shadow and light,

Baptized by the Spanish as El Castillo, is the most important building of the magnificent city of Chichen Itza, erected by the Mayans in 525 AD. Since 2007, it has been part ofSeven new wonders of the contemporary world"