Columbus時間
14:24:50
日出: 07:51:35 
日落: 17:31:2203:24:50
22:24:50
16:24:50
00:54:50
13:24:50
03:24:50
00:24:50
03:24:50
03:24:50
00:54:50
22:24:50
03:24:50
01:24:50
04:24:50
16:24:50
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