You could create a new database to import into and check, could be it just means it was downloaded today. But if it isn't a backup that you created prior to today I'd assume it is the same as you have already.
I have not heard a firm deadline, last I heard was that the first pass would if all went well be done in the next 24 hours, what comes after that I am not informed of, but given his wording I'd guess some kind of second pass, syncing files rather then moving account perhaps.
I was also told that backups should be implemented and made available through directadmin once all else is done.