Conversione dell'ora da Perm a Singapore
07:54:02
+3
10:54:02
+5
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-1
-2
-2
-2
-2
-2
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-2
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-3
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-3
-3
-4
-4
-4
-4
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-8
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-8
-9
-9
-9
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-11
-12