Czas Hạ Long
13:34:06
Wschód słońca: 06:24:03 
Zachód słońca: 17:47:4414:34:06
09:34:06
03:34:06
12:04:06
00:34:06
14:34:06
11:34:06
14:34:06
14:34:06
12:04:06
09:34:06
14:34:06
12:34:06
15:34:06
03:34:06
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
-6
-7
-7
-10
-10
-10
-10
-11
-12
-12
-12