(a) No court shall be opened or transact business on Sunday unless it is for the purpose of receiving a verdict or discharging a jury.
(b) Every adjournment of a court on Saturday shall always be to some other day than Sunday, except such adjournment as may be made after a cause has been committed to a jury.
(c) This section shall not prevent the exercise of the jurisdiction of any magistrate when it may be necessary in criminal cases to preserve the peace or arrest the offenders; nor shall this section inhibit the exercise of the jurisdiction of any magistrate on Sunday in disposing of misdemeanor cases where the defendant desires to and does enter a plea of guilty or a plea of nolo contendere.