San Marino時間からBolpur時間への変換
12:42:31
+3.5
16:12:31
+7
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+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3
+3
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+1.5
+1
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-1
-1
-1
-1
-1
-1
-2
-5
-5
-5
-5
-6
-6
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-9