Heure à Grottaferrata
18:18:45
Lever du soleil: 07:21:49 
Coucher de soleil: 18:28:1400:18:45
19:18:45
13:18:45
21:48:45
10:18:45
00:18:45
21:18:45
00:18:45
00:18:45
21:48:45
19:18:45
00:18:45
22:18:45
01:18:45
13:18:45
Décalage horaire entre Grottaferrata et les grandes villes
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+5
+5
+5
+4.5
+4
+4
+4
+4
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3
+3
+2.5
+2
+1.5
+1
+1
+1
+1
+1
+1
+1
+1
+1
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-2
-5
-5
-5
-5
-6
-6
-7
-7
-8
-9