Langfang時間
00:29:39
日出: 07:31:01 
日落: 17:15:2200:29:39
19:29:39
13:29:39
21:59:39
10:29:39
00:29:39
21:29:39
00:29:39
00:29:39
21:59:39
19:29:39
00:29:39
22:29:39
01:29:39
13:29:39
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