Gravesend時間
00:10:33
日出: 06:59:57 
日落: 17:19:5113:10:33
08:10:33
02:10:33
10:40:33
23:10:33
13:10:33
10:10:33
13:10:33
13:10:33
10:40:33
08:10:33
13:10:33
11:10:33
14:10:33
02:10:33
Gravesend與主要城市的時差
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+5
+5
+2
+2
+2
+2
+1
+0
+0
+0
-1
-3