Gravesend時間
23:33:14
日出: 08:03:18 
日落: 16:02:4207:33:14
02:33:14
20:33:14
05:03:14
17:33:14
07:33:14
04:33:14
07:33:14
07:33:14
05:03:14
02:33:14
07:33:14
05:33:14
08:33:14
20:33:14
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
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8