Langfang時間
16:17:49
日出: 06:47:49 
日落: 18:03:4316:17:49
11:17:49
05:17:49
13:47:49
02:17:49
16:17:49
13:17:49
16:17:49
16:17:49
13:47:49
11:17:49
16:17:49
14:17:49
17:17:49
05:17:49
Langfang與主要城市的時差
+3
+3
+1
+1
+1
+1
+1
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
-1
-1
-1
-2
-2
-2
-2
-3
-3
-4
-5
-5
-5
-5
-5
-5
-5
-6
-6
-6
-6
-7
-7
-7
-7
-7
-7
-8
-8
-8
-11
-11
-11
-11
-12