Columbus時間
04:11:48
日出: 07:36:26 
日落: 18:09:2317:11:48
12:11:48
06:11:48
14:41:48
03:11:48
17:11:48
14:11:48
17:11:48
17:11:48
14:41:48
12:11:48
17:11:48
15:11:48
18:11:48
06:11:48
Columbus與主要城市的時差
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+5
+5
+2
+2
+2
+2
+1
+0
+0
+0
-1
-3