Concord時間
11:29:40
日出: 05:10:25 
日落: 20:16:4723:29:40
18:29:40
12:29:40
20:59:40
09:29:40
23:29:40
20:29:40
23:29:40
23:29:40
20:59:40
18:29:40
23:29:40
21:29:40
00:29:40
12:29:40
Concord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
+0
+0
+0
-1
-1
-2
-3