Chicago Loop時間
06:57:55
日出: 07:03:59 
日落: 16:19:3120:57:55
15:57:55
09:57:55
18:27:55
06:57:55
20:57:55
17:57:55
20:57:55
20:57:55
18:27:55
15:57:55
20:57:55
18:57:55
21:57:55
09:57:55
Chicago Loop與主要城市的時差
+7
+7
+7
+7
+7
+7
+7
+6
+6
+3
+3
+3
+3
+2
+1
+1
+1
+0
-2