According to the Supreme People's Court's "Interpretation on Several Issues Concerning the Implementation of the Administrative Litigation Law of the People's Republic of China"
Article 97 of the People's Court hearing administrative cases, except for the Administrative Litigation Law and In addition to this interpretation, you may refer to the relevant provisions of civil litigation.
According to the "Criminal Procedure Law of the People's Republic of China"
Article 151: After the people's court decides to hold a trial, it shall carry out the following work:
( 1) Determine the members of the collegial panel;
(2) A copy of the People’s Procuratorate’s indictment shall be served to the defendant at least ten days before the hearing. If the defendant has not entrusted a defender, inform the defendant that he can entrust a defender, or if necessary, designate a lawyer with legal aid obligations to defend him;
(3) Inform the people of the time and place of the hearing three days before the hearing. The Procuratorate;
(4) Summon the parties and notify the defender, litigation agent, witness, expert expert and translator. The summons and notice shall be served at least three days before the hearing;
From this Judging from the courseware, it must be at least three days in advance, and both parties.