Ashibetsu時間からBoedo時間への変換
18:48:22
-12
06:48:22
+2
+2
+0
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-1
-1
-1
-1
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-1
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-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
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-1
-1
-1
-1
-1
-1
-1
-1
-1
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-2
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-12
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-12