Pottstown時間
03:21:50
日出: 07:15:57 
日落: 18:19:4515:21:50
10:21:50
04:21:50
12:51:50
01:21:50
15:21:50
12:21:50
15:21:50
15:21:50
12:51:50
10:21:50
15:21:50
13:21:50
16:21:50
04:21:50
Pottstown與主要城市的時差
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+6
+5
+5
+5
+5
+5
+5
+4
+1
+1
+1
+1
+0
+0
-1
-1
-2
-3