Mendeleyevsk time to Kolkata time conversion
19:57:58
+2.5
22:27:58
+6
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+4
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+4
+3.5
+3
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+3
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2
+2
+1.5
+1
+0.5
+0
+0
+0
+0
+0
+0
+0
-1
-1
-1
-1
-2
-2
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-2
-2
-2
-3
-3
-3
-6
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-10