Columbus時間
09:09:26
日出: 07:51:58 
日落: 17:30:1622:09:26
17:09:26
11:09:26
19:39:26
08:09:26
22:09:26
19:09:26
22:09:26
22:09:26
19:39:26
17:09:26
22:09:26
20:09:26
23:09:26
11:09:26
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