Hora en Guyancourt
16:45:20
Amanecer: 08:16:59 
Atardecer: 18:56:3722:45:20
17:45:20
11:45:20
20:15:20
08:45:20
22:45:20
19:45:20
22:45:20
22:45:20
20:15:20
17:45:20
22:45:20
20:45:20
23:45:20
11:45:20
Diferencia horaria entre Guyancourt y las principales ciudades
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+5
+5
+5
+4.5
+4
+4
+4
+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
-5
-6
-6
-7
-7
-8
-9