Boulderの時間
20:09:58
日の出: 05:50:43 
日没: 20:04:1610:09:58
05:09:58
23:09:58
07:39:58
20:09:58
10:09:58
07:09:58
10:09:58
10:09:58
07:39:58
05:09:58
10:09:58
08:09:58
11:09:58
23:09:58
Boulderと主要都市の時差
20:09:58
+2
22:09:58
+7
+7
+7
+7
+7
+7
+6
+3
+3
+3
+2
+2
+2
+1
+1
+0
-1