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Most travelers plan Chichen Itza around the weather, but the site also runs a calendar of events worth timing a trip around. The two equinoxes, when a shadow serpent appears to descend El Castillo, draw the biggest crowds of the year, while the Noches de Kukulkan light show and the regional Day of the Dead celebration add evening and autumn options. Here are the main events, with dates and what to expect.
Chichen Itza Events: The Spring Equinox (Around March 20)
On the spring equinox, around March 20 each year, the late-afternoon sun casts seven triangles of light onto the north balustrade of El Castillo, joining the carved serpent head at the base to form the illusion of a snake descending the pyramid. The effect lasts about 45 minutes starting around 4:00 pm, and up to 25,000 people pack the Great Plaza for it. Arrive before noon and bring water and a hat; the travel tips and FAQ has the full packing list, and the Chichen Itza neighborhoods compares the base towns if you plan to stay overnight.
Chichen Itza Events: The Autumn Equinox (Around September 21)
The same serpent shadow returns for the autumn equinox around September 21. It is usually less crowded than March, though September is the wettest month, with 185 mm of rain, so the spectacle can be clouded out. The shadow appears on the west-facing staircase in the late afternoon. Check the weather by month article for the month’s rainfall before committing to an autumn equinox trip.
Chichen Itza Events: Noches de Kukulkan Night Show
Noches de Kukulkan is a 45-minute light and sound show projected onto El Castillo on most evenings, with Spanish narration and English audio headsets. It tells the history of the Maya through colored lights washing over the pyramid, and it is a separate ticket from daytime entry, usually bought online or at the gate for a specific time slot. The show runs year round, with seasonal start times tied to sunset, and it is a good add-on if you stay overnight near the ruins rather than day-tripping from Cancun.
Chichen Itza Events: Day of the Dead and Hanal Pixan (October 31 to November 2)
Yucatan marks Day of the Dead as Hanal Pixan, a three-day observance from October 31 to November 2 when families set out altars with food for the dead, especially the traditional dish mucbipollo, a large tamale baked in a pit. The biggest celebrations are in Merida and Valladolid, where the main square fills with altars, and in nearby cemeteries lit with candles. It pairs well with a visit to the ruins themselves, listed in the things to do guide.
Chichen Itza Events: Festivals in Valladolid and Merida Nearby
Two nearby festivals are worth routing around a Chichen Itza trip. In Valladolid, the Festival of San Bernardino runs through January with food stalls and dance in the convent plaza. In Merida, the big one is the Carnival in February, with parades along Paseo de Montejo. For where to sleep during these events, see the where to stay guide, and for the best months overall, the best time to visit.
