Columbus時間
03:46:52
日出: 07:07:39 
日落: 18:21:3616:46:52
11:46:52
05:46:52
14:16:52
02:46:52
16:46:52
13:46:52
16:46:52
16:46:52
14:16:52
11:46:52
16:46:52
14:46:52
17:46:52
05:46:52
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