Ώρα Cát Bà
10:56:07
Ανατολή ηλίου: 05:11:05 
Η δυση του ηλιου: 18:26:4911:56:07
06:56:07
00:56:07
09:26:07
21:56:07
11:56:07
08:56:07
11:56:07
11:56:07
09:26:07
06:56:07
11:56:07
09:56:07
12:56:07
00:56:07
Διαφορά ώρας μεταξύ Cát Bà και μεγάλων πόλεων
+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