Gravesend時間
02:27:09
日出: 08:03:04 
日落: 16:03:5210:27:09
05:27:09
23:27:09
07:57:09
20:27:09
10:27:09
07:27:09
10:27:09
10:27:09
07:57:09
05:27:09
10:27:09
08:27:09
11:27:09
23:27:09
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