Monaco時間からHo Chi Minh City時間への変換
13:40:40
+5
18:40:40
+7
+7
+7
+7
+7
+6
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+6
+6
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+3.5
+3.5
+3.5
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+3
+3
+2.5
+2
+1.5
+1
+1
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-1
-1
-1
-1
-1
-1
-2
-5
-5
-5
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-6
-6
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-7
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-9