Howick時間からManp’o時間への変換
21:58:21
+7
04:58:21
+7
+7
+7
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+7
+6
+6
+6
+6
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+1
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-1
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-1
-1
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-2
-5
-5
-5
-6
-6
-6
-7
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-9