Langfang時間
21:22:57
日出: 06:49:16 
日落: 18:02:3821:22:57
16:22:57
10:22:57
18:52:57
07:22:57
21:22:57
18:22:57
21:22:57
21:22:57
18:52:57
16:22:57
21:22:57
19:22:57
22:22:57
10:22:57
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