Gravesend時間
19:27:44
日出: 07:01:03 
日落: 17:18:3808:27:44
03:27:44
21:27:44
05:57:44
18:27:44
08:27:44
05:27:44
08:27:44
08:27:44
05:57:44
03:27:44
08:27:44
06:27:44
09:27:44
21:27:44
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