Grottaferrataの時間
22:19:14
日の出: 06:28:14 
日没: 19:54:2804:19:14
23:19:14
17:19:14
01:49:14
14:19:14
04:19:14
01:19:14
04:19:14
04:19:14
01:49:14
23:19:14
04:19:14
02:19:14
05:19:14
17:19:14
Grottaferrataと主要都市の時差
+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
-6
-6
-6
-7
-7
-8
-9