Gravesend時間
19:11:54
日出: 07:10:07 
日落: 19:00:2307:11:54
02:11:54
20:11:54
04:41:54
17:11:54
07:11:54
04:11:54
07:11:54
07:11:54
04:41:54
02:11:54
07:11:54
05:11:54
08:11:54
20:11:54
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