def filter_schedules(schedules, now)

      now = Ruote.time_to_utc_s(now)

      schedules.select { |sch| sch['at'] <= now }
    end
def filter_schedules(schedules, now)

      now = Ruote.time_to_utc_s(now)

      schedules.select { |sch| sch['at'] <= now }
    end
Returns all the ats whose due date arrived (now or earlier)