Conversione dell'ora da Orsk a Kolkata
23:20:40
+0.5
23:50:40
+5
+5
+4
+4
+4
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+3
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+2
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+1.5
+1
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+1
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0
+0
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-5
-8
-8
-8
-9
-9
-9
-10
-10
-11
-12