Heure à Cát Bà
17:09:10
Lever du soleil: 05:55:04 
Coucher de soleil: 17:15:3918:09:10
13:09:10
07:09:10
15:39:10
04:09:10
18:09:10
15:09:10
18:09:10
18:09:10
15:39:10
13:09:10
18:09:10
16:09:10
19:09:10
07:09:10
Décalage horaire entre Cát Bà 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