The registrations open up at least once a day for two full hours before closin' again. My advise would be to check back here on the forums every hour and cross yer fingers that the registrations may be open.
Also, in spite of the option to delete yer account located in yer profile, the staff will have to individually go through thousands of accounts every day just to sift out those accounts that wish to be deleted (to which they will have to delete them manually) and those that wish not. Not only would it be a BIG time-consumin' process but from what I have perceived, the staff no longer do this or has bothered doin' this beforehand. Mainly because, I presume, users will want to delete their account then turn around and proclaim, "Oh, nevermind! I don't want to delete that one!" but due to them already settin' up the account for deletion- and if it was already deleted by one of the staff members-, the same user will become rather disappointed then start requestin' for the account to be remade for them simply because they want not to go through the hassle of waitin' for the registrations. The staff have a lot of responsibilities on their paws as is. They wish not to be any user(s)' personal delete/remake account butlers or any of the sort. However, if ye're that determined, ye' can try messagin' one of the staff members and request them to delete the account ye're currently usin' once ye' obtain a new one. I cannot guarantee that they may pull through with it since it's a stretch, Ms.
