Heure à Grottaferrata
02:32:51
Lever du soleil: 07:36:34 
Coucher de soleil: 16:49:0909:32:51
04:32:51
22:32:51
07:02:51
19:32:51
09:32:51
06:32:51
09:32:51
09:32:51
07:02:51
04:32:51
09:32:51
07:32:51
10:32:51
22:32:51
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