Ducheng時間
22:34:35
日出: 07:15:30 
日落: 18:00:0222:34:35
17:34:35
11:34:35
20:04:35
08:34:35
22:34:35
19:34:35
22:34:35
22:34:35
20:04:35
17:34:35
22:34:35
20:34:35
23:34:35
11:34:35
Ducheng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