Dumai時間
05:02:42
日出: 06:19:25 
日落: 18:21:2006:02:42
01:02:42
19:02:42
03:32:42
16:02:42
06:02:42
03:02:42
06:02:42
06:02:42
03:32:42
01:02:42
06:02:42
04:02:42
07:02:42
19:02:42
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