Ώρα Lạng Sơn
10:57:18
Ανατολή ηλίου: 06:28:51 
Η δυση του ηλιου: 17:17:0611:57:18
06:57:18
00:57:18
09:27:18
21:57:18
11:57:18
08:57:18
11:57:18
11:57:18
09:27:18
06:57:18
11:57:18
09:57:18
12:57:18
00:57:18
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