Conversione dell'ora da Perm a Shanghai
18:33:12
+3
21:33:12
+6
+6
+4
+4
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+3
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-1
-2
-2
-2
-2
-2
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-4
-4
-4
-4
-4
-5
-5
-8
-8
-8
-8
-9
-10
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-10
-11