เวลาในDumai
07:20:07
พระอาทิตย์ขึ้น: 06:05:10 
พระอาทิตย์ตก: 18:07:0008:20:07
03:20:07
21:20:07
05:50:07
18:20:07
08:20:07
05:20:07
08:20:07
08:20:07
05:50:07
03:20:07
08:20:07
06:20:07
09:20:07
21:20:07
ความแตกต่างของเวลาระหว่างDumaiกับเมืองใหญ่
+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