Conversão da hora de Grabouw para a hora de Diffa
21:12:06
-1
20:12:06
+7
+7
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+7
+7
+6
+6
+6
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+1
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-1
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-1
-1
-1
-1
-1
-2
-2
-5
-5
-5
-5
-6
-7
-7
-7
-8
-10