West Chester時間
23:45:03
日出: 06:05:31 
日落: 19:54:1211:45:03
06:45:03
00:45:03
09:15:03
21:45:03
11:45:03
08:45:03
11:45:03
11:45:03
09:15:03
06:45:03
11:45:03
09:45:03
12:45:03
00:45:03
West Chester與主要城市的時差
23:45:03
0
23:45:03
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+6
+5
+5
+5
+5
+5
+5
+4
+1
+1
+1
+0
+0
+0
-1
-1
-2
-3