Gravesend時間
05:45:46
日出: 06:43:07 
日落: 17:38:3113:45:46
08:45:46
02:45:46
11:15:46
23:45:46
13:45:46
10:45:46
13:45:46
13:45:46
11:15:46
08:45:46
13:45:46
11:45:46
14:45:46
02:45:46
Gravesend與主要城市的時差
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+0
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8