Ώρα Dumai
04:07:42
Ανατολή ηλίου: 06:23:01 
Η δυση του ηλιου: 18:28:2805:07:42
00:07:42
18:07:42
02:37:42
15:07:42
05:07:42
02:07:42
05:07:42
05:07:42
02:37:42
00:07:42
05:07:42
03:07:42
06:07:42
18:07:42
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
-7
-7
-7
-10
-10
-10
-10
-11
-12
-12
-12