If, on the return of any summons or at any adjournment of the hearing or at
the time to which the hearing is postponed, a magistrate is not present, the
registrar may, and after the lapse of an hour, at the request of the
informant, must, postpone the hearing until the next day when a court will be
held at the place mentioned in the summons or to which the case has been so
adjourned.