<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by channa:
2) Request the purchase of the ticket (credit card required), and it will be issued at midnight the following night. No changes after that time.</font>
Actually, it can ticket minutes (within an hour) after you purchase (my experience in late October). You still have midnight of the next day to cancel and get a full refund so you can have up to 47:59 to hold a ticket.