Lạng Sơnの時間
14:30:21
日の出: 05:10:50 
日没: 18:28:4315:30:21
10:30:21
04:30:21
13:00:21
01:30:21
15:30:21
12:30:21
15:30:21
15:30:21
13:00:21
10:30:21
15:30:21
13:30:21
16:30:21
04:30:21
Lạng Sơnと主要都市の時差
+3
+3
+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
-4
-4
-5
-5
-5
-5
-6
-6
-6
-6
-6
-6
-7
-10
-10
-10
-11
-11
-11
-12
-12