Columbus時間
18:49:37
日出: 07:03:26 
日落: 18:39:4307:49:37
02:49:37
20:49:37
05:19:37
17:49:37
07:49:37
04:49:37
07:49:37
07:49:37
05:19:37
02:49:37
07:49:37
05:49:37
08:49:37
20:49:37
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