Columbus時間
08:19:55
日出: 07:04:39 
日落: 18:38:5621:19:55
16:19:55
10:19:55
18:49:55
07:19:55
21:19:55
18:19:55
21:19:55
21:19:55
18:49:55
16:19:55
21:19:55
19:19:55
22:19:55
10:19:55
Columbus與主要城市的時差
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+5
+5
+5
+2
+2
+2
+2
+1
+0
+0
+0
-1
-3