Conversion de l'heure de Ismailia à l'heure de Siena
13:10:58
-1
12:10:58
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
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+6
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+4
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+3.5
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+3
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+2
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+1
+1
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+0
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-1
-1
-1
-1
-1
-1
-1
-2
-2
-5
-5
-5
-5
-6
-7
-7
-7
-8
-10