Columbus時間
03:20:59
日出: 07:38:58 
日落: 18:04:4116:20:59
11:20:59
05:20:59
13:50:59
02:20:59
16:20:59
13:20:59
16:20:59
16:20:59
13:50:59
11:20:59
16:20:59
14:20:59
17:20:59
05:20:59
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