According to New Oriental Online, the examination time for postgraduate courses is 3 hours per subject. The first morning is politics (8: 30- 1 1: 30) and English (2: 00-5: 00). The next morning, basic mathematics or specialized courses (8: 30- 1 1: 30) and specialized courses (2: 00-5: 00). So the math time for the postgraduate entrance examination is 8: 30- 1 1: 30.
The national unified entrance examination for graduate students (referred to as "postgraduate entrance examination" or "unified examination") refers to the general name of the relevant examinations organized by the education authorities and enrollment institutions for the selection of graduate students, and consists of the initial examination and re-examination organized by the national examination authorities and enrollment units. It is a selective examination, and the type of academic qualifications admitted is general higher education.