Conversione dell'ora da Perm a Banga
20:30:47
+0.5
21:00:47
+6
+6
+4
+4
+4
+4
+4
+3
+3
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+1.5
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+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
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-4
-5
-5
-8
-8
-8
-8
-9
-10
-10
-10
-11