Gravesend時間
11:50:23
日出: 08:02:46 
日落: 16:05:0319:50:23
14:50:23
08:50:23
17:20:23
05:50:23
19:50:23
16:50:23
19:50:23
19:50:23
17:20:23
14:50:23
19:50:23
17:50:23
20:50:23
08:50:23
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