Midstream時間からDundee時間への変換
19:19:33
0
19:19:33
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
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+6
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+6
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+3
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+2
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+1
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-1
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-1
-1
-1
-1
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-2
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-5
-5
-5
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-6
-7
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-7
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-10