Heure à Grottaferrata
01:12:34
Lever du soleil: 07:36:04 
Coucher de soleil: 16:56:4508:12:34
03:12:34
21:12:34
05:42:34
18:12:34
08:12:34
05:12:34
08:12:34
08:12:34
05:42:34
03:12:34
08:12:34
06:12:34
09:12:34
21:12:34
Décalage horaire entre Grottaferrata et les grandes villes
+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