Dumai時間
03:25:48
日出: 06:26:31 
日落: 18:30:1804:25:48
23:25:48
17:25:48
01:55:48
14:25:48
04:25:48
01:25:48
04:25:48
04:25:48
01:55:48
23:25:48
04:25:48
02:25:48
05:25:48
17:25:48
Dumai與主要城市的時差
+4
+4
+2
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+0
+0
+0
-1
-1
-1
-1
-2
-2
-3
-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-5
-6
-6
-6
-6
-6
-6
-6
-7
-7
-10
-10
-10
-10
-11
-12
-12
-12