Columbus時間
22:57:32
日出: 07:06:10 
日落: 18:22:4311:57:32
06:57:32
00:57:32
09:27:32
21:57:32
11:57:32
08:57:32
11:57:32
11:57:32
09:27:32
06:57:32
11:57:32
09:57:32
12:57:32
00:57:32
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