Heure à Hạ Long
13:30:41
Lever du soleil: 06:09:41 
Coucher de soleil: 17:57:1314:30:41
09:30:41
03:30:41
12:00:41
00:30:41
14:30:41
11:30:41
14:30:41
14:30:41
12:00:41
09:30:41
14:30:41
12:30:41
15:30:41
03:30:41
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
-7
-7
-7
-10
-10
-10
-10
-11
-12
-12
-12