Heure à Hạ Long
15:53:05
Lever du soleil: 06:30:51 
Coucher de soleil: 17:34:5816:53:05
11:53:05
05:53:05
14:23:05
02:53:05
16:53:05
13:53:05
16:53:05
16:53:05
14:23:05
11:53:05
16:53:05
14:53:05
17:53:05
05:53:05
Décalage horaire entre Hạ Long et les grandes villes
+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