Ώρα Dumai
06:01:40
Ανατολή ηλίου: 06:05:10 
Η δυση του ηλιου: 18:07:0007:01:40
02:01:40
20:01:40
04:31:40
17:01:40
07:01:40
04:01:40
07:01:40
07:01:40
04:31:40
02:01:40
07:01:40
05:01:40
08:01:40
20:01:40
Διαφορά ώρας μεταξύ Dumai και μεγάλων πόλεων
+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