Conversione dell'ora da Azor a Lima
20:51:06
-7
13:51:06
+7
+7
+7
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+7
+6
+6
+6
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+2
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+1
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+0
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-1
-1
-1
-1
-1
-1
-2
-2
-2
-5
-5
-5
-5
-6
-6
-7
-7
-8
-9