vikasmaskeri.rb

def average_time_of_day(time_array)
  hours= minutes = count= 0 # initialize
  y=[]                      # initialize
  time_array.each do |t|
    t1 = t.split(':')   # Parse the string to find the time
    if (t1.last.end_with?('am') && (t1.first.to_i < 10))   # Count the total no. of am
      count +=1
    end
    hours += t1.first.to_i            # total hours
    minutes += t1.last.chop.chop.to_i # total minutes
  end
  hours+= (minutes/60) + (12*count)   # recalculating the no. of hours for the time in 'am'
  minutes = minutes%60                # recalculating the no. of minutes after updating the no. of hours
  total_time = hours*60 + minutes     # total time in minutes
  average_time = total_time/(time_array.length)  # average time in minutes 
  average_hours = (average_time/60)%12           # average no. of hours   
  average_minutes = average_time%60              # average no. of minutes
  part = average_hours < 10 ? "am" : "pm"        # time of the day i.e. am or pm
  puts "#{average_hours}:#{average_minutes}#{part}"
end