Czas Lạng Sơn
20:15:07
Wschód słońca: 06:01:28 
Zachód słońca: 18:02:1621:15:07
16:15:07
10:15:07
18:45:07
07:15:07
21:15:07
18:15:07
21:15:07
21:15:07
18:45:07
16:15:07
21:15:07
19:15:07
22:15:07
10:15:07
Różnica czasu między Lạng Sơn a większymi miastami
20:15:07
-11
09:15:07
+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
-11
-12
-12