About Equinoccio de Primavera
During the spring equinox in Chichén Itzá the feathered serpent descends the stairs of the great pyramid of KuKulcán. This unique show in the world is carried out by the solar projection of seven triangles of light, where when the sun's rays hit the rafters of the main staircase of the pyramid, an effect of light and shadow is produced, which lasts approximately 45 minutes. min, as the sun's rays advance, a snake is seen descending from the pyramid.
Although the entrance of Spring begins at 9 pm on March 20, it is important to consider that the descent of KuKulcán is on March 21 at 3 pm.