Boston時間
09:13:49
日出: 07:13:24 
日落: 16:25:0922:13:49
17:13:49
11:13:49
19:43:49
08:13:49
22:13:49
19:13:49
22:13:49
22:13:49
19:43:49
17:13:49
22:13:49
20:13:49
23:13:49
11:13:49
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