Time Columbine
05:58:42
Sunrise: 07:18:00 
Sunset: 17:02:5420:58:42
15:58:42
09:58:42
18:28:42
06:58:42
20:58:42
17:58:42
20:58:42
20:58:42
18:28:42
15:58:42
20:58:42
18:58:42
21:58:42
09:58:42
Time difference between Columbine and major cities
+7
+7
+4
+4
+4
+4
+3
+2
+2
+2
+1
-1