Langfang時間
17:31:59
日出: 07:30:34 
日落: 17:16:2817:31:59
12:31:59
06:31:59
15:01:59
03:31:59
17:31:59
14:31:59
17:31:59
17:31:59
15:01:59
12:31:59
17:31:59
15:31:59
18:31:59
06:31:59
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