Heure à Grottaferrata
13:11:08
Lever du soleil: 07:36:39 
Coucher de soleil: 16:50:0120:11:08
15:11:08
09:11:08
17:41:08
06:11:08
20:11:08
17:11:08
20:11:08
20:11:08
17:41:08
15:11:08
20:11:08
18:11:08
21:11:08
09:11:08
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