P’yŏngsŏng時間からLüderitz時間への変換
23:20:17
-7
16:20:17
+1
+1
+0
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-1
-1
-1
-1
-1
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-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
-1
-1
-1
-1
-1
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-12
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-12