Langfang時間
17:51:19
日出: 07:31:01 
日落: 17:15:2217:51:19
12:51:19
06:51:19
15:21:19
03:51:19
17:51:19
14:51:19
17:51:19
17:51:19
15:21:19
12:51:19
17:51:19
15:51:19
18:51:19
06:51:19
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
-7
-8
-8
-11
-11
-11
-11
-12