Heure à Grottaferrata
02:41:24
Lever du soleil: 07:36:39 
Coucher de soleil: 16:50:0109:41:24
04:41:24
22:41:24
07:11:24
19:41:24
09:41:24
06:41:24
09:41:24
09:41:24
07:11:24
04:41:24
09:41:24
07:41:24
10:41:24
22:41:24
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