The cut-off time for application in most of the US universities range from end of November to mid August. For accurate information on the deadlines of applications at US universities, it is advisable to take help of Peterson’s Guide. Again, there is a need for taking the standardized tests for admission well within time since the scores need to be submitted before the deadline. Now, if you start the whole process quite late, you might not get the opportunity to enrol in the University of your Choice. However, there would be other universities willing to consider your application.