Conversione dell'ora da Robertson a Kabul
17:27:31
+2.5
19:57:31
+7
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+7
+6
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+6
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+2
+1.5
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-1
-1
-1
-1
-1
-1
-1
-2
-2
-5
-5
-5
-5
-6
-7
-7
-7
-8
-10