Equinoccio de Otoño en Chichén Itzá

The autumn equinox recreates the 'descent of Kukulcán' light-and-shadow serpent effect on the Temple of Kukulcán's staircase, occurring between 3:00-5:00pm and lasting about 10 minutes. In 2026 the equinox falls on September 23, drawing crowds of visitors and researchers to witness the alignment. (Date shown is estimated from the event's typical annual timing — confirm with the organizer closer to the date.)