Is it possible to prepay and send you the problem sets on september 27 9:30pm in the eastern time zone in the usa, and then can you give me the answer within an hour and a half minutes which is...

Is it possible to prepay and send you the problem sets on september 27 9:30pm in the eastern time zone in the usa, and then can you give me the answer within an hour and a half minutes which is september 27 10:30 pm in eastern time in the usa?