Chesapeakeの時間
20:31:47
日の出: 06:30:01 
日没: 19:44:3908:31:47
03:31:47
21:31:47
06:01:47
18:31:47
08:31:47
05:31:47
08:31:47
08:31:47
06:01:47
03:31:47
08:31:47
06:31:47
09:31:47
21:31:47
Chesapeakeと主要都市の時差
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+6
+5
+5
+5
+5
+5
+5
+4
+1
+1
+1
+0
+0
+0
-1
-1
-2
-3