Keystone時間
12:29:02
日出: 07:21:45 
日落: 18:02:2801:29:02
20:29:02
14:29:02
22:59:02
11:29:02
01:29:02
22:29:02
01:29:02
01:29:02
22:59:02
20:29:02
01:29:02
23:29:02
02:29:02
14:29:02
Keystone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