def determine_check_cron_time(check)
      cron_parser = CronParser.new(check[:cron])
      current_time = Time.now
      next_cron_time = cron_parser.next(current_time)
      next_cron_time - current_time
    end
def determine_check_cron_time(check)
      cron_parser = CronParser.new(check[:cron])
      current_time = Time.now
      next_cron_time = cron_parser.next(current_time)
      next_cron_time - current_time
    end
Determine the next check cron time.

 @param check [Hash] definition.