P’yŏngsŏng時間からBoroon時間への変換
21:56:38
-1
20:56:38
+1
+1
+0
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-1
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-1
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-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
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-1
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-1
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-1
-1
-1
-1
-1
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-12
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-12