Kopeysk time to Zhengzhou time conversion
18:30:11
+3
21:30:11
+6
+6
+4
+4
+4
+4
+4
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+1.5
+1
+1
+1
+1
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0
+0
-1
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-4
-5
-5
-8
-8
-8
-8
-9
-10
-10
-10
-11