Ώρα Hạ Long
04:01:37
Ανατολή ηλίου: 06:30:16 
Η δυση του ηλιου: 17:37:3605:01:37
00:01:37
18:01:37
02:31:37
15:01:37
05:01:37
02:01:37
05:01:37
05:01:37
02:31:37
00:01:37
05:01:37
03:01:37
06:01:37
18:01:37
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
-6
-7
-7
-10
-10
-10
-10
-11
-12
-12
-12