Korsholm時間からKolkata時間への変換
09:53:47
+2.5
12:23:47
+6
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+0.5
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-1
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-1
-1
-2
-2
-2
-2
-2
-2
-3
-6
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-6
-6
-7
-7
-8
-8
-9
-10