Pottstown時間
07:47:35
日出: 06:59:04 
日落: 17:34:2920:47:35
15:47:35
09:47:35
18:17:35
06:47:35
20:47:35
17:47:35
20:47:35
20:47:35
18:17:35
15:47:35
20:47:35
18:47:35
21:47:35
09:47:35
Pottstown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