Dumai時間
10:33:22
日出: 06:20:14 
日落: 18:22:1211:33:22
06:33:22
00:33:22
09:03:22
21:33:22
11:33:22
08:33:22
11:33:22
11:33:22
09:03:22
06:33:22
11:33:22
09:33:22
12:33:22
00:33:22
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