Columbus時間
16:46:17
日出: 07:01:00 
日落: 18:41:1505:46:17
00:46:17
18:46:17
03:16:17
15:46:17
05:46:17
02:46:17
05:46:17
05:46:17
03:16:17
00:46:17
05:46:17
03:46:17
06:46:17
18:46:17
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