Auckland Council has adjourned and will reconvene at 10am tomorrow, after failing to vote on the mayor's updated budget.

In an 11th hour proposal, Wayne Brown today suggested selling about half the city's Auckland Airport shares, alongside raising rates more and making more cuts to council controlled organisations and local boards.

Newstalk ZB's Jacob Jones says it's not clear whether Brown has the numbers to pass his compromise Budget.

"There's been a lot of questioning, it's been quite a slow afternoon in terms of getting through those new proposals. Because I think people are just trying to wrap their heads around it, because it was only dropped halfway through the meeting, after the lunch break."

LISTEN ABOVE