Columbus時間
06:34:29
日出: 07:58:31 
日落: 19:42:4518:34:29
13:34:29
07:34:29
16:04:29
04:34:29
18:34:29
15:34:29
18:34:29
18:34:29
16:04:29
13:34:29
18:34:29
16:34:29
19:34:29
07:34:29
Columbus與主要城市的時差
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+6
+5
+5
+5
+5
+5
+5
+4
+4
+4
+1
+1
+1
+1
+0
+0
-1
-1
-2
-3