Concord時間
05:29:20
日出: 05:11:40 
日落: 20:15:0217:29:20
12:29:20
06:29:20
14:59:20
03:29:20
17:29:20
14:29:20
17:29:20
17:29:20
14:59:20
12:29:20
17:29:20
15:29:20
18:29:20
06:29:20
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