Columbus時間
20:36:17
日出: 07:38:31 
日落: 18:05:3809:36:17
04:36:17
22:36:17
07:06:17
19:36:17
09:36:17
06:36:17
09:36:17
09:36:17
07:06:17
04:36:17
09:36:17
07:36:17
10:36:17
22:36:17
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