Eger時間からIbeto時間への変換
13:42:01
-1
12:42:01
+7
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+7
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+6
+6
+6
+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
-1
-1
-2
-5
-5
-5
-6
-6
-6
-7
-7
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-9