Columbus時間
17:26:39
日出: 07:06:10 
日落: 18:22:4306:26:39
01:26:39
19:26:39
03:56:39
16:26:39
06:26:39
03:26:39
06:26:39
06:26:39
03:56:39
01:26:39
06:26:39
04:26:39
07:26:39
19:26:39
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