Chichen Itza was a large pre-Columbian city built by the Maya civilization. The archaeological site is located in the municipality of Tinum, in the Mexican state of Yucatán.
On the equinox the sun is positioned directly over the equator. The word "equinox" means "equal night" because on the equinox the night is equal in length to the day. There are two equinoxes during the year, the spring equinox, sometimes called "vernal equinox," which falls around March 20th and the autumn equinox which falls around September 23rd. The day of the spring equinox marks the end of winter and beginning of spring.
The Mayan archaeological site of Chichen Itza is the most popular spot in Mexico to celebrate the spring equinox. The site's most famous building, The Kulkulkan temple, is the site of a dramatic display of Mayan astronomical knowledge. Every year on the autumn and spring equinoxes the light of the sun makes a play of light and shadow which makes it look like a serpent is slithering along the steps of the pyramid. The effect begins in the late afternoon, around 4 pm, and lasts for an hour or so. The serpent appears for a few days - from around March 19th to the 23rd, but on the actual date of the equinox the effect is most obvious.
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Visit: 20th March 2013
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