Columbus時間
22:27:57
日出: 07:38:31 
日落: 18:05:3811:27:57
06:27:57
00:27:57
08:57:57
21:27:57
11:27:57
08:27:57
11:27:57
11:27:57
08:57:57
06:27:57
11:27:57
09:27:57
12:27:57
00:27:57
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