Columbus時間
16:24:56
日出: 07:12:00 
日落: 18:18:1505:24:56
00:24:56
18:24:56
02:54:56
15:24:56
05:24:56
02:24:56
05:24:56
05:24:56
02:54:56
00:24:56
05:24:56
03:24:56
06:24:56
18:24:56
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