Czas Hạ Long
12:17:21
Wschód słońca: 06:21:48 
Zachód słońca: 17:49:4813:17:21
08:17:21
02:17:21
10:47:21
23:17:21
13:17:21
10:17:21
13:17:21
13:17:21
10:47:21
08:17:21
13:17:21
11:17:21
14:17:21
02:17:21
Różnica czasu między Hạ Long a większymi miastami
+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