Columbus時間
14:14:26
日出: 07:40:09 
日落: 18:01:5303:14:26
22:14:26
16:14:26
00:44:26
13:14:26
03:14:26
00:14:26
03:14:26
03:14:26
00:44:26
22:14:26
03:14:26
01:14:26
04:14:26
16:14:26
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