Hạ Longの時間
06:50:51
日の出: 06:16:33 
日没: 17:53:3307:50:51
02:50:51
20:50:51
05:20:51
17:50:51
07:50:51
04:50:51
07:50:51
07:50:51
05:20:51
02:50:51
07:50:51
05:50:51
08:50:51
20:50:51
Hạ Longと主要都市の時差
+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
-7
-7
-7
-10
-10
-10
-10
-11
-12
-12
-12