About 20 minutes. According to the number of applicants for Zhejiang University, the upper limit of points reduction is 20 points. If the number of applicants is large, you can't drop 20 points. Admission to the special program for rural poor students is arranged in a batch of undergraduate courses. The admission score line is not lower than the admission control score line of the batch of disciplines where the enrollment school is located in principle. When the number of students is insufficient, according to the relevant provisions of the enrollment policy of colleges and universities, the score line can be appropriately reduced (up to 20 points).