Boston時間
16:38:38
日出: 07:12:54 
日落: 16:29:0805:38:38
00:38:38
18:38:38
03:08:38
15:38:38
05:38:38
02:38:38
05:38:38
05:38:38
03:08:38
00:38:38
05:38:38
03:38:38
06:38:38
18:38:38
Boston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