Dumont時間
04:55:40
日出: 07:07:54 
日落: 18:15:2516:55:40
11:55:40
05:55:40
14:25:40
02:55:40
16:55:40
13:55:40
16:55:40
16:55:40
14:25:40
11:55:40
16:55:40
14:55:40
17:55:40
05:55:40
Dumont與主要城市的時差
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+6
+5
+5
+5
+5
+5
+5
+4
+1
+1
+1
+1
+0
+0
-1
-1
-2
-3