Heure à Grottaferrata
00:17:31
Lever du soleil: 07:36:25 
Coucher de soleil: 16:54:4307:17:31
02:17:31
20:17:31
04:47:31
17:17:31
07:17:31
04:17:31
07:17:31
07:17:31
04:47:31
02:17:31
07:17:31
05:17:31
08:17:31
20:17:31
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