Light stand said to have measured noon and the time after front of it in Shurijo Castle for the King Shuri prefecture era (sundial).
Light stand is sundial which has been used as supporting tool of water clock for a long time, but it is said that government official called *on hangs about one and a half years by order of the king in 1739, and invention revised correct assay.
Seemed to change angle 24 times a year based on the twenty-four seasons in the old calendar to measure the time exactly, but is current Shurijo Castle; in Shunbun on the summer solstice in Shubun in winter solstice change four times a year. We just turn angle with aluminum board of 10 degrees in 64 degrees, winter solstice on 45 degrees, the summer solstice in Shunbun, Shubun as we do not know change method of angle clearly.
As it is commentary society and explains about news conventional light stand at the time when you introduce about history and measurement procedure and included former Shurijo Castle main shrine bell (bell of all countries Tsu beam), please sense time of the past bodily at by all means this opportunity.
12:20 ..., 14:20 ... (for each around 30 minutes)
Shurijo Castle Park light stand
Participation for free ※Reservations do not have necessary mat.
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