Columbus時間
19:12:05
日出: 07:52:19 
日落: 17:29:1208:12:05
03:12:05
21:12:05
05:42:05
18:12:05
08:12:05
05:12:05
08:12:05
08:12:05
05:42:05
03:12:05
08:12:05
06:12:05
09:12:05
21:12:05
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