Heure à Keystone
12:29:30
Lever du soleil: 07:21:45 
Coucher de soleil: 18:02:2801:29:30
20:29:30
14:29:30
22:59:30
11:29:30
01:29:30
22:29:30
01:29:30
01:29:30
22:59:30
20:29:30
01:29:30
23:29:30
02:29:30
14:29:30
Décalage horaire entre Keystone et les grandes villes
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+5
+5
+2
+2
+2
+2
+1
+0
+0
+0
-1
-3