gistfile1.rb

class Time
  def is_after?(timestamp)
    self.to_i - self.at_beginning_of_day.to_i > timestamp
  end

  def is_after_430_pm?
    # 4:30 == 16:30
    # 16*3600 (sec/hr)
    #+30*60   (sec/min)
    #=59400
    is_after?(59400)
  end
  
  def is_after_5_pm?
    is_after?(61200)
  end
end