การแปลงเวลาIbbเป็นเวลาKolkata
04:45:16
+2.5
07:15:16
+7
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+2.5
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+2.5
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-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-3
-6
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-6
-7
-7
-7
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-10