I can't, however, by process of elimination, it would seem that xx:59 would qualify as a bid made under xx:00 with the the bids being noted sequentially as posted. Not trying to be cheeky here.
It doesn't really matter because we've chosen to run the auctions in the "last man standing" fashion.
Do you dislike this rule? If so, what do you dislike and is that from a buyer or seller perspective?