Ora a Boulder
22:30:02
Alba: 06:38:10 
Tramonto: 17:49:3613:30:02
08:30:02
02:30:02
11:00:02
23:30:02
13:30:02
10:30:02
13:30:02
13:30:02
11:00:02
08:30:02
13:30:02
11:30:02
14:30:02
02:30:02
Differenza oraria tra Boulder e le principali città
+7
+7
+7
+4
+4
+4
+4
+3
+2
+2
+2
+1
-1