The spring equinox has historically been one of the major religious and pagan festivals of various cultures.

Today, many people visit different archaeological sites on this date. Specifically, Chichén Itzá is famous for the spectacle of light and shadow on one corner of El Castillo, making it appear as if the feathered serpent is descending.

In Dzibilchaltún, another impressive solar phenomenon occurs around 5:00 a.m. when the sun rises in the east, visible through the windows and doors of the Temple of the Seven Dolls, creating a unique spectacle.

Teotihuacán, known as the "City of the Gods," also has a solar phenomenon in the courtyard of the Temple of Quetzalpapálotl, where a play of light and shadow illuminates the building's battlements, signaling the start of a new cycle.

The Templo Mayor in Mexico City, although not fully visible in its original splendor, still shows how the sun rises between the temples dedicated to Tláloc and Huitzilopochtli.

El Tajín, though it has no specific solar phenomenon, offers a mystical experience near the Pyramid of the Niches with its 360 openings reminiscent of the solar calendar, filling the heart with energy.