Ώρα Cát Bà
02:00:29
Ανατολή ηλίου: 05:11:05 
Η δυση του ηλιου: 18:26:4903:00:30
22:00:30
16:00:30
00:30:30
13:00:30
03:00:30
00:00:30
03:00:30
03:00:30
00:30:30
22:00:30
03:00:30
01:00:30
04:00:30
16:00:30
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