gistfile1.rb

class MischaTime < Struct.new(:hours, :minutes, :seconds); end

def time_diff(t1, t2)
  if seconds(t1) > seconds(t2)
    (one_day - t1.seconds) + seconds(t2)
  else 
    seconds(t2) - seconds(t1)
  end
end

def seconds(time)
  (time.hours * 3600) + (time.minutes * 60) + time.seconds
end

def one_day
  24 * 3600
end


puts time_diff(MischaTime.new(1, 2, 3), MischaTime.new(4, 5, 6)).to_s