Heure à Hạ Long
11:00:56
Lever du soleil: 06:30:56 
Coucher de soleil: 17:34:1812:00:56
07:00:56
01:00:56
09:30:56
22:00:56
12:00:56
09:00:56
12:00:56
12:00:56
09:30:56
07:00:56
12:00:56
10:00:56
13:00:56
01:00:56
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