Ώρα Cát Bà
04:00:06
Ανατολή ηλίου: 06:30:47 
Η δυση του ηλιου: 17:33:2705:00:06
00:00:06
18:00:06
02:30:06
15:00:06
05:00:06
02:00:06
05:00:06
05:00:06
02:30:06
00:00:06
05:00:06
03:00:06
06:00:06
18:00:06
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