Chicago Loop時間
23:10:45
日出: 06:26:24 
日落: 17:39:3313:10:45
08:10:45
02:10:45
10:40:45
23:10:45
13:10:45
10:10:45
13:10:45
13:10:45
10:40:45
08:10:45
13:10:45
11:10:45
14:10:45
02:10:45
Chicago Loop與主要城市的時差
+7
+7
+7
+7
+7
+7
+6
+6
+6
+3
+3
+3
+3
+2
+1
+1
+1
+0
-2