Kotel’niki 시간을 Kolkata 시간으로 변환
08:59:30
+2.5
11:29:30
+6
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+2.5
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+1.5
+1
+0.5
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-1
-1
-1
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-2
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-2
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-2
-3
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-3
-6
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-6
-6
-7
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-9
-10