# File lib/clockwork/manager.rb, line 131
    def tick(t=Time.now)
      if (fire_callbacks(:before_tick))
        events = events_to_run(t)
        events.each do |event|
          if (fire_callbacks(:before_run, event, t))
            event.run(t)
            fire_callbacks(:after_run, event, t)
          end
        end
      end
      fire_callbacks(:after_tick)
      events
    end