Grottaferrataの時間
13:36:12
日の出: 07:35:37 
日没: 16:45:1720:36:12
15:36:12
09:36:12
18:06:12
06:36:12
20:36:12
17:36:12
20:36:12
20:36:12
18:06:12
15:36:12
20:36:12
18:36:12
21:36:12
09:36:12
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