Maximum adjudication time for the full EDR process (days)

The National Elections Act (CAP 343) 2010

Article 115-

(1) Every election petition shall be presented within thirty days fromthe date of the declaration for the results of the election by the ReturningOfficer;

(2) The court shall hear and determine an appeal within twelve monthsfrom the date of filing a petition; 

(3) The court shall hear and determine an appeal within twelve monthsfrom the date of lodging the appeal; […]

(5) Where the election petition case is unlikely to be determined withintwelve months, the Minister responsible for legal affairs may, after theconsultation with the Chief Justice and by notice published in the Gazetteextend the prescribed time for further period not exceeding six months as heshall determine.  

http://www.unisa.ac.za/contents/faculties/law/docs/National_Elections_Act-.pdf

According to Article 115 (5), if the court cannot settle the petition within 12 months, the extension can be provided for another 6 months.