Program started.
Afternoon sessions are (ArrayList) [12:00, 12:15, 12:30, 12:45, 13:00, 13:15, 13:30, 13:45, 14:00, 14:15, 14:30, 14:45, 15:00, 15:15, 15:30, 15:45, 16:00, 16:15, 16:30, 16:45, 17:00, 17:15, 17:30, 17:45]
Overnight sessions are (ArrayList) [22:30, 22:45, 23:00, 23:15, 23:30, 23:45, 00:00, 00:15, 00:30, 00:45, 01:00, 01:15, 01:30, 01:45, 02:00, 02:15, 02:30, 02:45, 03:00, 03:15, 03:30, 03:45, 04:00, 04:15, 04:30, 04:45, 05:00]