Korean Hemispheric Sundial

Replica of Korean Hemispheric Sundial (Angbu Ilgu) c.1434. The sundial was made in the reign of King Sejong, 1418-1450. This sundial has its gnomon pointed toward the North star (Polaris). It cast a moving shadow along intersecting arcs to indicate the time and the season. The time interval are represented by vertical arcs and the seasons by horizontal arcs.

~ by giantrangkong on September 8, 2007.

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