Ώρα Lạng Sơn
12:23:40
Ανατολή ηλίου: 06:33:19 
Η δυση του ηλιου: 17:36:0513:23:40
08:23:40
02:23:40
10:53:40
23:23:40
13:23:40
10:23:40
13:23:40
13:23:40
10:53:40
08:23:40
13:23:40
11:23:40
14:23:40
02:23:40
Διαφορά ώρας μεταξύ Lạng Sơn 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