Chicago Loop時間
14:03:33
日出: 05:39:48 
日落: 19:54:2803:03:33
22:03:33
16:03:33
00:33:33
13:03:33
03:03:33
00:03:33
03:03:33
03:03:33
00:33:33
22:03:33
03:03:33
01:03:33
04:03:33
16:03:33
Chicago Loop與主要城市的時差
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+5
+2
+2
+2
+1
+1
+1
+0
+0
-1
-2