Columbus時間
22:16:55
日出: 07:10:34 
日落: 18:19:2211:16:55
06:16:55
00:16:55
08:46:55
21:16:55
11:16:55
08:16:55
11:16:55
11:16:55
08:46:55
06:16:55
11:16:55
09:16:55
12:16:55
00:16:55
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