Time Zhangye
17:21:20
Sunrise: 08:24:10 
Sunset: 17:55:5617:21:20
12:21:20
06:21:20
14:51:20
03:21:20
17:21:20
14:21:20
17:21:20
17:21:20
14:51:20
12:21:20
17:21:20
15:21:20
18:21:20
06:21:20
Time difference between Zhangye and major cities
+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