Ora a Columbine
13:37:03
Alba: 07:20:09 
Tramonto: 16:56:2804:37:03
23:37:03
17:37:03
02:07:03
14:37:03
04:37:03
01:37:03
04:37:03
04:37:03
02:07:03
23:37:03
04:37:03
02:37:03
05:37:03
17:37:03
Differenza oraria tra Columbine e le principali città
+7
+7
+4
+4
+4
+4
+3
+2
+2
+2
+1
-1