English
Noun
en-noun|sg=zenial passage
- The passing of the sun directly overhead such that no shadows are cast by a pole sticking straight up from the ground. These conditions only occur in locations between the Tropic of Cancer and the Tropic of Capricorn.
Trivia
Zenial passages were important to the Maya civilization.
Related terms
zenith
References
http://www.crystalinks.com/mayanastronomy.html
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