Ώρα Cát Bà
11:51:46
Ανατολή ηλίου: 06:16:09 
Η δυση του ηλιου: 17:11:1012:51:46
07:51:46
01:51:46
10:21:46
22:51:46
12:51:46
09:51:46
12:51:46
12:51:46
10:21:46
07:51:46
12:51:46
10:51:46
13:51:46
01:51:46
Διαφορά ώρας μεταξύ Cát Bà και μεγάλων πόλεων
+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