Columbus時間
12:59:32
日出: 07:12:00 
日落: 18:18:1501:59:32
20:59:32
14:59:32
23:29:32
11:59:32
01:59:32
22:59:32
01:59:32
01:59:32
23:29:32
20:59:32
01:59:32
23:59:32
02:59:32
14:59:32
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