Katav-Ivanovsk時間からKolkata時間への変換
10:47:31
+0.5
11:17:31
+5
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+3
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+1.5
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+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0
+0
-1
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-8
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