Ora a Columbine
12:13:37
Alba: 07:20:09 
Tramonto: 16:56:2803:13:37
22:13:37
16:13:37
00:43:37
13:13:37
03:13:37
00:13:37
03:13:37
03:13:37
00:43:37
22:13:37
03:13:37
01:13:37
04:13:37
16:13:37
Differenza oraria tra Columbine e le principali città
+7
+7
+4
+4
+4
+4
+3
+2
+2
+2
+1
-1