Blackheath時間
23:50:52
日出: 07:51:04 
日落: 15:51:5707:50:52
02:50:52
20:50:52
05:20:52
17:50:52
07:50:52
04:50:52
07:50:52
07:50:52
05:20:52
02:50:52
07:50:52
05:50:52
08:50:52
20:50:52
Blackheath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