Ώρα Dumai
00:55:37
Ανατολή ηλίου: 06:26:31 
Η δυση του ηλιου: 18:30:1801:55:37
20:55:37
14:55:37
23:25:37
11:55:37
01:55:37
22:55:37
01:55:37
01:55:37
23:25:37
20:55:37
01:55:37
23:55:37
02:55:37
14:55:37
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