Kaifeng時間
20:40:49
日出: 07:11:46 
日落: 17:11:4520:40:49
15:40:49
09:40:49
18:10:49
06:40:49
20:40:49
17:40:49
20:40:49
20:40:49
18:10:49
15:40:49
20:40:49
18:40:49
21:40:49
09:40:49
Kaifeng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