Columbus時間
05:41:08
日出: 07:58:31 
日落: 19:42:4517:41:08
12:41:08
06:41:08
15:11:08
03:41:08
17:41:08
14:41:08
17:41:08
17:41:08
15:11:08
12:41:08
17:41:08
15:41:08
18:41:08
06:41:08
Columbus與主要城市的時差
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+6
+5
+5
+5
+5
+5
+5
+4
+4
+4
+1
+1
+1
+1
+0
+0
-1
-1
-2
-4