Afif時間からEdewecht時間への変換
16:59:17
-1
15:59:17
+7
+7
+6
+6
+6
+6
+6
+5
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+2
+2
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+1
+0.5
+0
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-1
-1
-1
-1
-2
-2
-2
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-2
-3
-6
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