Conversion de l'heure de Boulogne-sur-Mer à l'heure de Changsha
15:22:42
+6
21:22:42
+7
+7
+7
+7
+7
+6
+6
+6
+6
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+4.5
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+4
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+4
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3
+3
+2.5
+2
+1.5
+1
+1
+1
+1
+1
+1
+1
+1
+1
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-2
-5
-5
-5
-6
-6
-6
-7
-7
-8
-9