Flight and Duty Time Tracker!

This program maintains a database of duty days, their start and end times and the flights which have occured on those days and the start and end times of those flights. The user is able to determine the number of days into the past for which s/he requires the display the number of duty hours, the numbers of days off and the number of flight hours which have accrued during those past days. Flights on the made on the same day are the same shade of orange.