Grottaferrataの時間
10:35:15
日の出: 07:17:15 
日没: 16:39:3417:35:15
12:35:15
06:35:15
15:05:15
03:35:15
17:35:15
14:35:15
17:35:15
17:35:15
15:05:15
12:35:15
17:35:15
15:35:15
18:35:15
06:35:15
Grottaferrataと主要都市の時差
+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