self.apscheduler = BackgroundScheduler()

        self.apscheduler.configure(timezone=timezone(config.get("system", "timezone")))

    def start(self):

        self.apscheduler.start()

        self.load_schedules()

    def interval_on(self, module, output, timer_off, timer_on, on_duration):

        module.set_output(output, 1)

        self.apscheduler.get_job(timer_on).reschedule("interval", weeks = on_duration[0], days = on_duration[1], hours = on_duration[2], minutes = on_duration[3], seconds = on_duration[4])

        self.apscheduler.get_job(timer_on).resume()

        self.apscheduler.get_job(timer_off).pause()

    def interval_off(self, module, output, timer_off, timer_on, off_duration):

        module.set_output(output, 0)

        self.apscheduler.get_job(timer_off).reschedule("interval", weeks = off_duration[0], days = off_duration[1], hours = off_duration[2], minutes = off_duration[3], seconds = off_duration[4])

        self.apscheduler.get_job(timer_off).resume()

        self.apscheduler.get_job(timer_on).pause()

    def add_schedule(self, name, trigger, module_name, output, on_param, off_param):

        module = self.network.module_list.lookup_module_by_name(module_name)

        if not module == None:

            if trigger == "cron":

                on_job = self.apscheduler.add_job(module.set_output, trigger, [output, 1], day = on_param[0], day_of_week = on_param[1], hour = on_param[2], minute = on_param[3], second = on_param[4])

                off_job = self.apscheduler.add_job(module.set_output, trigger, [output, 0], day = off_param[0], day_of_week = off_param[1], hour = off_param[2], minute = off_param[3], second = off_param[4])

                #evalute the current state of the cron trigger and set output on if needed

                if on_job.next_run_time > off_job.next_run_time: