Idő Lạng Sơn
23:17:45
Napkelte: 06:27:54 
Napnyugta: 17:46:1500:17:45
19:17:45
13:17:45
21:47:45
10:17:45
00:17:45
21:17:45
00:17:45
00:17:45
21:47:45
19:17:45
00:17:45
22:17:45
01:17:45
13:17:45
Időeltolódás Lạng Sơn és a nagyobb városok között
+4
+4
+2
+2
+2
+2
+2
+1
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+1
+1
+1
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+1
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+1
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+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
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-5
-5
-5
-6
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-6
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-6
-6
-6
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-7
-10
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-10
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-11
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-12