Hora en Guyancourt
08:02:19
Amanecer: 08:43:39 
Atardecer: 17:00:0515:02:19
10:02:19
04:02:19
12:32:19
01:02:19
15:02:19
12:02:19
15:02:19
15:02:19
12:32:19
10:02:19
15:02:19
13:02:19
16:02:19
04:02:19
Diferencia horaria entre Guyancourt y las principales ciudades
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+5.5
+5
+5
+5
+5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4
+4
+3.5
+3
+2.5
+2
+2
+2
+2
+2
+2
+2
+1
+1
+1
+1
+0
+0
+0
+0
+0
+0
+0
-1
-1
-4
-4
-4
-4
-5
-6
-6
-6
-7
-9