Time Lạng Sơn
06:30:51
Sunrise: 06:31:12 
Sunset: 17:20:3607:30:51
02:30:51
20:30:51
05:00:51
17:30:51
07:30:51
04:30:51
07:30:51
07:30:51
05:00:51
02:30:51
07:30:51
05:30:51
08:30:51
20:30:51
Time difference between Lạng Sơn and major cities
+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