Conversion de l'heure de Saint-Pol-sur-Mer à l'heure de Campana
18:31:20
-5
13:31:20
+7
+7
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+6
+6
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+3
+3
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+2
+1.5
+1
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-1
-1
-1
-1
-1
-1
-2
-5
-5
-5
-5
-6
-6
-7
-7
-8
-9