Concord時間
18:57:03
日出: 05:18:41 
日落: 20:06:3306:57:03
01:57:03
19:57:03
04:27:03
16:57:03
06:57:03
03:57:03
06:57:03
06:57:03
04:27:03
01:57:03
06:57:03
04:57:03
07:57:03
19:57:03
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