Ora North Chicago
07:29:15
Răsărit: 07:07:19 
Apus de soare: 18:54:3520:29:15
15:29:15
09:29:15
17:59:15
06:29:15
20:29:15
17:29:15
20:29:15
20:29:15
17:59:15
15:29:15
20:29:15
18:29:15
21:29:15
09:29:15
Diferența de timp între North Chicago și marile orașe
07:29:15
+1
08:29:15
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+5
+5
+5
+2
+2
+2
+2
+1
+1
+0
+0
-1
-2