Heure à Hạ Long
19:47:47
Lever du soleil: 05:33:50 
Coucher de soleil: 18:13:1320:47:47
15:47:47
09:47:47
18:17:47
06:47:47
20:47:47
17:47:47
20:47:47
20:47:47
18:17:47
15:47:47
20:47:47
18:47:47
21:47:47
09:47:47
Décalage horaire entre Hạ Long et les grandes villes
+3
+3
+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
-4
-4
-5
-5
-5
-5
-6
-6
-6
-6
-6
-6
-7
-10
-10
-10
-11
-11
-11
-12
-12