Conversion de l'heure de Hénin-Beaumont à l'heure de New York City
23:28:45
-6
17:28:45
+7
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+2
+1.5
+1
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-1
-1
-1
-1
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-1
-2
-5
-5
-5
-6
-6
-6
-7
-7
-8
-9