Vidin時間からZhengzhou時間への変換
16:52:31
+5
21:52:31
+7
+7
+6
+6
+6
+6
+6
+5
+5
+5
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-1
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-2
-2
-2
-2
-2
-2
-3
-6
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-6
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-7
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-10