Conversion de l'heure de Ghormach à l'heure de Valenciennes
14:57:42
-2.5
12:27:43
+6.5
+6.5
+4.5
+4.5
+4.5
+4.5
+4.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+2.5
+2.5
+2.5
+2
+1.5
+1.5
+1.5
+1.5
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+0.5
+0.5
+0
-1