Columbus時間
15:46:56
日出: 07:51:58 
日落: 17:30:1604:46:56
23:46:56
17:46:56
02:16:56
14:46:56
04:46:56
01:46:56
04:46:56
04:46:56
02:16:56
23:46:56
04:46:56
02:46:56
05:46:56
17:46:56
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