Dumai時間
08:27:49
日出: 06:19:25 
日落: 18:21:2009:27:49
04:27:49
22:27:49
06:57:49
19:27:49
09:27:49
06:27:49
09:27:49
09:27:49
06:57:49
04:27:49
09:27:49
07:27:49
10:27:49
22:27:49
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