Airports aren't the only places that use 24 hour time. Many high school and college schedules use 24 hour time. Your family and friends may use it their work place. Let's practice with your own school schedule.
		1. Write down your daily class schedule, including the late afternoon or evening times that you usually do your homework. List all the times as you normally would with 12 hour time, adding A.M. or P.M. 2. Rewrite this schedule in 24 hour time. What are the rules for converting 12 hour time to 24 hour time?