Columbus時間
14:17:32
日出: 07:51:35 
日落: 17:31:2203:17:32
22:17:32
16:17:32
00:47:32
13:17:32
03:17:32
00:17:32
03:17:32
03:17:32
00:47:32
22:17:32
03:17:32
01:17:32
04:17:32
16:17:32
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