Ώρα Hạ Long
23:18:40
Ανατολή ηλίου: 06:11:17 
Η δυση του ηλιου: 17:56:2700:18:40
19:18:40
13:18:40
21:48:40
10:18:40
00:18:40
21:18:40
00:18:40
00:18:40
21:48:40
19:18:40
00:18:40
22:18:40
01:18:40
13:18:40
Διαφορά ώρας μεταξύ Hạ Long 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