Grottaferrata時間
23:41:52
日出: 05:36:36 
日落: 20:37:5205:41:52
00:41:52
18:41:52
03:11:52
15:41:52
05:41:52
02:41:52
05:41:52
05:41:52
03:11:52
00:41:52
05:41:52
03:41:52
06:41:52
18:41:52
Grottaferrata與主要城市的時差
23:41:52
-6
17:41:52
+7
+7
+7
+7
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+6
+6
+6
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+3.5
+3.5
+3.5
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+3.5
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+3
+3
+2.5
+2
+1.5
+1
+1
+1
+1
+1
+1
+1
+1
+1
+0
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+0
+0
-1
-1
-1
-1
-1
-1
-2
-5
-5
-5
-6
-6
-6
-7
-7
-8
-9