Gravesend時間
07:47:49
日出: 07:10:07 
日落: 19:00:2319:47:49
14:47:49
08:47:49
17:17:49
05:47:49
19:47:49
16:47:49
19:47:49
19:47:49
17:17:49
14:47:49
19:47:49
17:47:49
20:47:49
08:47:49
Gravesend與主要城市的時差
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+6
+5
+5
+5
+5
+5
+5
+4
+4
+4
+1
+1
+1
+1
+0
+0
-1
-1
-2
-3