Columbus時間
02:29:51
日出: 07:51:10 
日落: 17:32:2815:29:51
10:29:51
04:29:51
12:59:51
01:29:51
15:29:51
12:29:51
15:29:51
15:29:51
12:59:51
10:29:51
15:29:51
13:29:51
16:29:51
04:29:51
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