Hongch’ŏn時間からKano時間への変換
17:17:15
-8
09:17:15
+1
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+0
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-1
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-1
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-1
-1
-1
-1
-1
-1
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-1
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-1
-1
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-1
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-1
-1
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-1
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-1
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-12
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-12